Home / 78,897.14-108,877.49-43,087.16

Finding the Fourth Proportional to 78,897.14, 108,877.49 and 43,087.16

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Solution

The fourth proportional to 78,897.14, 108,877.49 and 43,087.16 is: 59,459.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,897.14 : 108,877.49 = 43,087.16 : x
  2. Step 2: Convert to fraction form
    78,897.14/108,877.49 = 43,087.16/x
  3. Step 3: Cross multiply
    78,897.14x = 108,877.49 × 43,087.16
  4. Step 4: Simplify right side
    78,897.14x = 4,691,221,287.64
  5. Step 5: Solve for x
    x = 4,691,221,287.64/78,897.14
  6. Step 6: Final answer
    x = 59,459.97

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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.