Home / 75,544.16-113,265.12-42,287.18

Finding the Fourth Proportional to 75,544.16, 113,265.12 and 42,287.18

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Solution

The fourth proportional to 75,544.16, 113,265.12 and 42,287.18 is: 63,402.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,544.16 : 113,265.12 = 42,287.18 : x
  2. Step 2: Convert to fraction form
    75,544.16/113,265.12 = 42,287.18/x
  3. Step 3: Cross multiply
    75,544.16x = 113,265.12 × 42,287.18
  4. Step 4: Simplify right side
    75,544.16x = 4,789,662,517.16
  5. Step 5: Solve for x
    x = 4,789,662,517.16/75,544.16
  6. Step 6: Final answer
    x = 63,402.15

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1.5x scale

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.