Home / 68,981.45-95,197.02-42,136.02

Finding the Fourth Proportional to 68,981.45, 95,197.02 and 42,136.02

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Solution

The fourth proportional to 68,981.45, 95,197.02 and 42,136.02 is: 58,149.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,981.45 : 95,197.02 = 42,136.02 : x
  2. Step 2: Convert to fraction form
    68,981.45/95,197.02 = 42,136.02/x
  3. Step 3: Cross multiply
    68,981.45x = 95,197.02 × 42,136.02
  4. Step 4: Simplify right side
    68,981.45x = 4,011,223,538.66
  5. Step 5: Solve for x
    x = 4,011,223,538.66/68,981.45
  6. Step 6: Final answer
    x = 58,149.31

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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.