Home / 107,431.61-148,244.24-62,102.39

Finding the Fourth Proportional to 107,431.61, 148,244.24 and 62,102.39

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Solution

The fourth proportional to 107,431.61, 148,244.24 and 62,102.39 is: 85,694.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,431.61 : 148,244.24 = 62,102.39 : x
  2. Step 2: Convert to fraction form
    107,431.61/148,244.24 = 62,102.39/x
  3. Step 3: Cross multiply
    107,431.61x = 148,244.24 × 62,102.39
  4. Step 4: Simplify right side
    107,431.61x = 9,206,321,021.77
  5. Step 5: Solve for x
    x = 9,206,321,021.77/107,431.61
  6. Step 6: Final answer
    x = 85,694.72

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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.