Home / 71,116.20-98,136.30-42,468.20

Finding the Fourth Proportional to 71,116.20, 98,136.30 and 42,468.20

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Solution

The fourth proportional to 71,116.20, 98,136.30 and 42,468.20 is: 58,603.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,116.20 : 98,136.30 = 42,468.20 : x
  2. Step 2: Convert to fraction form
    71,116.20/98,136.30 = 42,468.20/x
  3. Step 3: Cross multiply
    71,116.20x = 98,136.30 × 42,468.20
  4. Step 4: Simplify right side
    71,116.20x = 4,167,672,015.66
  5. Step 5: Solve for x
    x = 4,167,672,015.66/71,116.20
  6. Step 6: Final answer
    x = 58,603.69

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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.