Home / 82,578.32-113,959.58-46,775.76

Finding the Fourth Proportional to 82,578.32, 113,959.58 and 46,775.76

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Solution

The fourth proportional to 82,578.32, 113,959.58 and 46,775.76 is: 64,551.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,578.32 : 113,959.58 = 46,775.76 : x
  2. Step 2: Convert to fraction form
    82,578.32/113,959.58 = 46,775.76/x
  3. Step 3: Cross multiply
    82,578.32x = 113,959.58 × 46,775.76
  4. Step 4: Simplify right side
    82,578.32x = 5,330,546,248.68
  5. Step 5: Solve for x
    x = 5,330,546,248.68/82,578.32
  6. Step 6: Final answer
    x = 64,551.40

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.