Home / 99,560.22-137,391.90-54,238.14

Finding the Fourth Proportional to 99,560.22, 137,391.90 and 54,238.14

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Solution

The fourth proportional to 99,560.22, 137,391.90 and 54,238.14 is: 74,847.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,560.22 : 137,391.90 = 54,238.14 : x
  2. Step 2: Convert to fraction form
    99,560.22/137,391.90 = 54,238.14/x
  3. Step 3: Cross multiply
    99,560.22x = 137,391.90 × 54,238.14
  4. Step 4: Simplify right side
    99,560.22x = 7,451,881,107.07
  5. Step 5: Solve for x
    x = 7,451,881,107.07/99,560.22
  6. Step 6: Final answer
    x = 74,847.98

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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.