Home / 99,299.43-136,921.97-93,000.87

Finding the Fourth Proportional to 99,299.43, 136,921.97 and 93,000.87

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Solution

The fourth proportional to 99,299.43, 136,921.97 and 93,000.87 is: 128,237.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,299.43 : 136,921.97 = 93,000.87 : x
  2. Step 2: Convert to fraction form
    99,299.43/136,921.97 = 93,000.87/x
  3. Step 3: Cross multiply
    99,299.43x = 136,921.97 × 93,000.87
  4. Step 4: Simplify right side
    99,299.43x = 12,733,861,867.11
  5. Step 5: Solve for x
    x = 12,733,861,867.11/99,299.43
  6. Step 6: Final answer
    x = 128,237.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.