Home / 89,310.08-123,287.04-62,557.44

Finding the Fourth Proportional to 89,310.08, 123,287.04 and 62,557.44

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Solution

The fourth proportional to 89,310.08, 123,287.04 and 62,557.44 is: 86,356.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,310.08 : 123,287.04 = 62,557.44 : x
  2. Step 2: Convert to fraction form
    89,310.08/123,287.04 = 62,557.44/x
  3. Step 3: Cross multiply
    89,310.08x = 123,287.04 × 62,557.44
  4. Step 4: Simplify right side
    89,310.08x = 7,712,521,607.58
  5. Step 5: Solve for x
    x = 7,712,521,607.58/89,310.08
  6. Step 6: Final answer
    x = 86,356.68

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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.