Home / 89,909.83-124,081.23-51,681.61

Finding the Fourth Proportional to 89,909.83, 124,081.23 and 51,681.61

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Solution

The fourth proportional to 89,909.83, 124,081.23 and 51,681.61 is: 71,323.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,909.83 : 124,081.23 = 51,681.61 : x
  2. Step 2: Convert to fraction form
    89,909.83/124,081.23 = 51,681.61/x
  3. Step 3: Cross multiply
    89,909.83x = 124,081.23 × 51,681.61
  4. Step 4: Simplify right side
    89,909.83x = 6,412,717,737.18
  5. Step 5: Solve for x
    x = 6,412,717,737.18/89,909.83
  6. Step 6: Final answer
    x = 71,323.88

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