Home / 107,442.60-148,254.30-62,111.76

Finding the Fourth Proportional to 107,442.60, 148,254.30 and 62,111.76

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Solution

The fourth proportional to 107,442.60, 148,254.30 and 62,111.76 is: 85,704.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,442.60 : 148,254.30 = 62,111.76 : x
  2. Step 2: Convert to fraction form
    107,442.60/148,254.30 = 62,111.76/x
  3. Step 3: Cross multiply
    107,442.60x = 148,254.30 × 62,111.76
  4. Step 4: Simplify right side
    107,442.60x = 9,208,335,500.57
  5. Step 5: Solve for x
    x = 9,208,335,500.57/107,442.60
  6. Step 6: Final answer
    x = 85,704.70

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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.