Home / 88,066.35-121,531.59-47,780.73

Finding the Fourth Proportional to 88,066.35, 121,531.59 and 47,780.73

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Solution

The fourth proportional to 88,066.35, 121,531.59 and 47,780.73 is: 65,937.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,066.35 : 121,531.59 = 47,780.73 : x
  2. Step 2: Convert to fraction form
    88,066.35/121,531.59 = 47,780.73/x
  3. Step 3: Cross multiply
    88,066.35x = 121,531.59 × 47,780.73
  4. Step 4: Simplify right side
    88,066.35x = 5,806,868,088.26
  5. Step 5: Solve for x
    x = 5,806,868,088.26/88,066.35
  6. Step 6: Final answer
    x = 65,937.42

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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.