Home / 88,071.25-132,121.54-28,891.03

Finding the Fourth Proportional to 88,071.25, 132,121.54 and 28,891.03

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Solution

The fourth proportional to 88,071.25, 132,121.54 and 28,891.03 is: 43,341.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,071.25 : 132,121.54 = 28,891.03 : x
  2. Step 2: Convert to fraction form
    88,071.25/132,121.54 = 28,891.03/x
  3. Step 3: Cross multiply
    88,071.25x = 132,121.54 × 28,891.03
  4. Step 4: Simplify right side
    88,071.25x = 3,817,126,715.18
  5. Step 5: Solve for x
    x = 3,817,126,715.18/88,071.25
  6. Step 6: Final answer
    x = 43,341.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.