Home / 104,002.77-143,515.66-58,691.78

Finding the Fourth Proportional to 104,002.77, 143,515.66 and 58,691.78

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Solution

The fourth proportional to 104,002.77, 143,515.66 and 58,691.78 is: 80,990.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,002.77 : 143,515.66 = 58,691.78 : x
  2. Step 2: Convert to fraction form
    104,002.77/143,515.66 = 58,691.78/x
  3. Step 3: Cross multiply
    104,002.77x = 143,515.66 × 58,691.78
  4. Step 4: Simplify right side
    104,002.77x = 8,423,189,543.27
  5. Step 5: Solve for x
    x = 8,423,189,543.27/104,002.77
  6. Step 6: Final answer
    x = 80,990.05

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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.