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Finding the Fourth Proportional to 88,070.80, 132,106.20 and 28,892.20

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Solution

The fourth proportional to 88,070.80, 132,106.20 and 28,892.20 is: 43,338.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,070.80 : 132,106.20 = 28,892.20 : x
  2. Step 2: Convert to fraction form
    88,070.80/132,106.20 = 28,892.20/x
  3. Step 3: Cross multiply
    88,070.80x = 132,106.20 × 28,892.20
  4. Step 4: Simplify right side
    88,070.80x = 3,816,838,751.64
  5. Step 5: Solve for x
    x = 3,816,838,751.64/88,070.80
  6. Step 6: Final answer
    x = 43,338.30

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1.5x scale

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.