Home / 81,332.02-112,136.97-62,235.46

Finding the Fourth Proportional to 81,332.02, 112,136.97 and 62,235.46

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Solution

The fourth proportional to 81,332.02, 112,136.97 and 62,235.46 is: 85,807.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,332.02 : 112,136.97 = 62,235.46 : x
  2. Step 2: Convert to fraction form
    81,332.02/112,136.97 = 62,235.46/x
  3. Step 3: Cross multiply
    81,332.02x = 112,136.97 × 62,235.46
  4. Step 4: Simplify right side
    81,332.02x = 6,978,895,910.96
  5. Step 5: Solve for x
    x = 6,978,895,910.96/81,332.02
  6. Step 6: Final answer
    x = 85,807.48

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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.