Home / 89,597.52-123,637.73-51,356.61

Finding the Fourth Proportional to 89,597.52, 123,637.73 and 51,356.61

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Solution

The fourth proportional to 89,597.52, 123,637.73 and 51,356.61 is: 70,868.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,597.52 : 123,637.73 = 51,356.61 : x
  2. Step 2: Convert to fraction form
    89,597.52/123,637.73 = 51,356.61/x
  3. Step 3: Cross multiply
    89,597.52x = 123,637.73 × 51,356.61
  4. Step 4: Simplify right side
    89,597.52x = 6,349,614,424.11
  5. Step 5: Solve for x
    x = 6,349,614,424.11/89,597.52
  6. Step 6: Final answer
    x = 70,868.19

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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.