Home / 123,780.60-185,694.75-52,701.93

Finding the Fourth Proportional to 123,780.60, 185,694.75 and 52,701.93

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Solution

The fourth proportional to 123,780.60, 185,694.75 and 52,701.93 is: 79,063.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,780.60 : 185,694.75 = 52,701.93 : x
  2. Step 2: Convert to fraction form
    123,780.60/185,694.75 = 52,701.93/x
  3. Step 3: Cross multiply
    123,780.60x = 185,694.75 × 52,701.93
  4. Step 4: Simplify right side
    123,780.60x = 9,786,471,715.87
  5. Step 5: Solve for x
    x = 9,786,471,715.87/123,780.60
  6. Step 6: Final answer
    x = 79,063.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.