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Finding the Fourth Proportional to 88,687.80, 133,031.70 and 29,525.40

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Solution

The fourth proportional to 88,687.80, 133,031.70 and 29,525.40 is: 44,288.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,687.80 : 133,031.70 = 29,525.40 : x
  2. Step 2: Convert to fraction form
    88,687.80/133,031.70 = 29,525.40/x
  3. Step 3: Cross multiply
    88,687.80x = 133,031.70 × 29,525.40
  4. Step 4: Simplify right side
    88,687.80x = 3,927,814,155.18
  5. Step 5: Solve for x
    x = 3,927,814,155.18/88,687.80
  6. Step 6: Final answer
    x = 44,288.10

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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.