Home / 82,569.09-113,965.74-46,780.20

Finding the Fourth Proportional to 82,569.09, 113,965.74 and 46,780.20

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Solution

The fourth proportional to 82,569.09, 113,965.74 and 46,780.20 is: 64,568.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,569.09 : 113,965.74 = 46,780.20 : x
  2. Step 2: Convert to fraction form
    82,569.09/113,965.74 = 46,780.20/x
  3. Step 3: Cross multiply
    82,569.09x = 113,965.74 × 46,780.20
  4. Step 4: Simplify right side
    82,569.09x = 5,331,340,110.35
  5. Step 5: Solve for x
    x = 5,331,340,110.35/82,569.09
  6. Step 6: Final answer
    x = 64,568.23

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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.