Home / 89,712.02-123,802.01-49,424.85

Finding the Fourth Proportional to 89,712.02, 123,802.01 and 49,424.85

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Solution

The fourth proportional to 89,712.02, 123,802.01 and 49,424.85 is: 68,205.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,712.02 : 123,802.01 = 49,424.85 : x
  2. Step 2: Convert to fraction form
    89,712.02/123,802.01 = 49,424.85/x
  3. Step 3: Cross multiply
    89,712.02x = 123,802.01 × 49,424.85
  4. Step 4: Simplify right side
    89,712.02x = 6,118,895,773.95
  5. Step 5: Solve for x
    x = 6,118,895,773.95/89,712.02
  6. Step 6: Final answer
    x = 68,205.97

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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.