Home / 75,530.71-113,246.38-42,254.29

Finding the Fourth Proportional to 75,530.71, 113,246.38 and 42,254.29

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Solution

The fourth proportional to 75,530.71, 113,246.38 and 42,254.29 is: 63,353.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,530.71 : 113,246.38 = 42,254.29 : x
  2. Step 2: Convert to fraction form
    75,530.71/113,246.38 = 42,254.29/x
  3. Step 3: Cross multiply
    75,530.71x = 113,246.38 × 42,254.29
  4. Step 4: Simplify right side
    75,530.71x = 4,785,145,381.97
  5. Step 5: Solve for x
    x = 4,785,145,381.97/75,530.71
  6. Step 6: Final answer
    x = 63,353.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.