Home / 89,270.22-123,136.80-62,402.92

Finding the Fourth Proportional to 89,270.22, 123,136.80 and 62,402.92

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Solution

The fourth proportional to 89,270.22, 123,136.80 and 62,402.92 is: 86,076.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,270.22 : 123,136.80 = 62,402.92 : x
  2. Step 2: Convert to fraction form
    89,270.22/123,136.80 = 62,402.92/x
  3. Step 3: Cross multiply
    89,270.22x = 123,136.80 × 62,402.92
  4. Step 4: Simplify right side
    89,270.22x = 7,684,095,879.46
  5. Step 5: Solve for x
    x = 7,684,095,879.46/89,270.22
  6. Step 6: Final answer
    x = 86,076.82

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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.