Home / 90,687.92-136,031.69-24,128.03

Finding the Fourth Proportional to 90,687.92, 136,031.69 and 24,128.03

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Solution

The fourth proportional to 90,687.92, 136,031.69 and 24,128.03 is: 36,192.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,687.92 : 136,031.69 = 24,128.03 : x
  2. Step 2: Convert to fraction form
    90,687.92/136,031.69 = 24,128.03/x
  3. Step 3: Cross multiply
    90,687.92x = 136,031.69 × 24,128.03
  4. Step 4: Simplify right side
    90,687.92x = 3,282,177,097.67
  5. Step 5: Solve for x
    x = 3,282,177,097.67/90,687.92
  6. Step 6: Final answer
    x = 36,192.00

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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.