Home / 107,207.77-147,961.66-61,884.92

Finding the Fourth Proportional to 107,207.77, 147,961.66 and 61,884.92

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Solution

The fourth proportional to 107,207.77, 147,961.66 and 61,884.92 is: 85,409.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,207.77 : 147,961.66 = 61,884.92 : x
  2. Step 2: Convert to fraction form
    107,207.77/147,961.66 = 61,884.92/x
  3. Step 3: Cross multiply
    107,207.77x = 147,961.66 × 61,884.92
  4. Step 4: Simplify right side
    107,207.77x = 9,156,595,813.90
  5. Step 5: Solve for x
    x = 9,156,595,813.90/107,207.77
  6. Step 6: Final answer
    x = 85,409.82

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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.