Home / 79,937.15-119,820.47-60,154.52

Finding the Fourth Proportional to 79,937.15, 119,820.47 and 60,154.52

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Solution

The fourth proportional to 79,937.15, 119,820.47 and 60,154.52 is: 90,167.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,937.15 : 119,820.47 = 60,154.52 : x
  2. Step 2: Convert to fraction form
    79,937.15/119,820.47 = 60,154.52/x
  3. Step 3: Cross multiply
    79,937.15x = 119,820.47 × 60,154.52
  4. Step 4: Simplify right side
    79,937.15x = 7,207,741,959.15
  5. Step 5: Solve for x
    x = 7,207,741,959.15/79,937.15
  6. Step 6: Final answer
    x = 90,167.62

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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.