Home / 99,034.50-136,667.68-53,712.46

Finding the Fourth Proportional to 99,034.50, 136,667.68 and 53,712.46

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Solution

The fourth proportional to 99,034.50, 136,667.68 and 53,712.46 is: 74,123.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,034.50 : 136,667.68 = 53,712.46 : x
  2. Step 2: Convert to fraction form
    99,034.50/136,667.68 = 53,712.46/x
  3. Step 3: Cross multiply
    99,034.50x = 136,667.68 × 53,712.46
  4. Step 4: Simplify right side
    99,034.50x = 7,340,757,295.29
  5. Step 5: Solve for x
    x = 7,340,757,295.29/99,034.50
  6. Step 6: Final answer
    x = 74,123.23

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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.