Home / 67,520.40-101,344.14-34,264.32

Finding the Fourth Proportional to 67,520.40, 101,344.14 and 34,264.32

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Solution

The fourth proportional to 67,520.40, 101,344.14 and 34,264.32 is: 51,428.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,520.40 : 101,344.14 = 34,264.32 : x
  2. Step 2: Convert to fraction form
    67,520.40/101,344.14 = 34,264.32/x
  3. Step 3: Cross multiply
    67,520.40x = 101,344.14 × 34,264.32
  4. Step 4: Simplify right side
    67,520.40x = 3,472,488,043.08
  5. Step 5: Solve for x
    x = 3,472,488,043.08/67,520.40
  6. Step 6: Final answer
    x = 51,428.72

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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.