Home / 67,400.10-101,100.15-42,468.30

Finding the Fourth Proportional to 67,400.10, 101,100.15 and 42,468.30

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Solution

The fourth proportional to 67,400.10, 101,100.15 and 42,468.30 is: 63,702.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,400.10 : 101,100.15 = 42,468.30 : x
  2. Step 2: Convert to fraction form
    67,400.10/101,100.15 = 42,468.30/x
  3. Step 3: Cross multiply
    67,400.10x = 101,100.15 × 42,468.30
  4. Step 4: Simplify right side
    67,400.10x = 4,293,551,500.25
  5. Step 5: Solve for x
    x = 4,293,551,500.25/67,400.10
  6. Step 6: Final answer
    x = 63,702.45

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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.