Home / 88,070.75-132,120.79-28,890.53

Finding the Fourth Proportional to 88,070.75, 132,120.79 and 28,890.53

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Solution

The fourth proportional to 88,070.75, 132,120.79 and 28,890.53 is: 43,340.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,070.75 : 132,120.79 = 28,890.53 : x
  2. Step 2: Convert to fraction form
    88,070.75/132,120.79 = 28,890.53/x
  3. Step 3: Cross multiply
    88,070.75x = 132,120.79 × 28,890.53
  4. Step 4: Simplify right side
    88,070.75x = 3,817,038,914.29
  5. Step 5: Solve for x
    x = 3,817,038,914.29/88,070.75
  6. Step 6: Final answer
    x = 43,340.60

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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.