Home / 99,123.03-136,786.11-53,800.04

Finding the Fourth Proportional to 99,123.03, 136,786.11 and 53,800.04

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Solution

The fourth proportional to 99,123.03, 136,786.11 and 53,800.04 is: 74,242.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,123.03 : 136,786.11 = 53,800.04 : x
  2. Step 2: Convert to fraction form
    99,123.03/136,786.11 = 53,800.04/x
  3. Step 3: Cross multiply
    99,123.03x = 136,786.11 × 53,800.04
  4. Step 4: Simplify right side
    99,123.03x = 7,359,098,189.44
  5. Step 5: Solve for x
    x = 7,359,098,189.44/99,123.03
  6. Step 6: Final answer
    x = 74,242.06

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1.5x scale

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.