Home / 104,293.34-143,925.12-56,546.71

Finding the Fourth Proportional to 104,293.34, 143,925.12 and 56,546.71

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Solution

The fourth proportional to 104,293.34, 143,925.12 and 56,546.71 is: 78,034.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,293.34 : 143,925.12 = 56,546.71 : x
  2. Step 2: Convert to fraction form
    104,293.34/143,925.12 = 56,546.71/x
  3. Step 3: Cross multiply
    104,293.34x = 143,925.12 × 56,546.71
  4. Step 4: Simplify right side
    104,293.34x = 8,138,491,662.54
  5. Step 5: Solve for x
    x = 8,138,491,662.54/104,293.34
  6. Step 6: Final answer
    x = 78,034.63

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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.