Home / 99,923.12-137,892.24-54,600.11

Finding the Fourth Proportional to 99,923.12, 137,892.24 and 54,600.11

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Solution

The fourth proportional to 99,923.12, 137,892.24 and 54,600.11 is: 75,347.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,923.12 : 137,892.24 = 54,600.11 : x
  2. Step 2: Convert to fraction form
    99,923.12/137,892.24 = 54,600.11/x
  3. Step 3: Cross multiply
    99,923.12x = 137,892.24 × 54,600.11
  4. Step 4: Simplify right side
    99,923.12x = 7,528,931,299.78
  5. Step 5: Solve for x
    x = 7,528,931,299.78/99,923.12
  6. Step 6: Final answer
    x = 75,347.24

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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.