Home / 107,739.52-148,672.40-59,983.68

Finding the Fourth Proportional to 107,739.52, 148,672.40 and 59,983.68

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Solution

The fourth proportional to 107,739.52, 148,672.40 and 59,983.68 is: 82,772.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,739.52 : 148,672.40 = 59,983.68 : x
  2. Step 2: Convert to fraction form
    107,739.52/148,672.40 = 59,983.68/x
  3. Step 3: Cross multiply
    107,739.52x = 148,672.40 × 59,983.68
  4. Step 4: Simplify right side
    107,739.52x = 8,917,917,666.43
  5. Step 5: Solve for x
    x = 8,917,917,666.43/107,739.52
  6. Step 6: Final answer
    x = 82,772.95

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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.