Home / 107,120.57-147,826.35-59,373.77

Finding the Fourth Proportional to 107,120.57, 147,826.35 and 59,373.77

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Solution

The fourth proportional to 107,120.57, 147,826.35 and 59,373.77 is: 81,935.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,120.57 : 147,826.35 = 59,373.77 : x
  2. Step 2: Convert to fraction form
    107,120.57/147,826.35 = 59,373.77/x
  3. Step 3: Cross multiply
    107,120.57x = 147,826.35 × 59,373.77
  4. Step 4: Simplify right side
    107,120.57x = 8,777,006,965.71
  5. Step 5: Solve for x
    x = 8,777,006,965.71/107,120.57
  6. Step 6: Final answer
    x = 81,935.78

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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.