Home / 99,410.30-137,182.11-54,088.46

Finding the Fourth Proportional to 99,410.30, 137,182.11 and 54,088.46

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Solution

The fourth proportional to 99,410.30, 137,182.11 and 54,088.46 is: 74,639.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,410.30 : 137,182.11 = 54,088.46 : x
  2. Step 2: Convert to fraction form
    99,410.30/137,182.11 = 54,088.46/x
  3. Step 3: Cross multiply
    99,410.30x = 137,182.11 × 54,088.46
  4. Step 4: Simplify right side
    99,410.30x = 7,419,969,209.57
  5. Step 5: Solve for x
    x = 7,419,969,209.57/99,410.30
  6. Step 6: Final answer
    x = 74,639.84

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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.