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Finding the Fourth Proportional to 79,756.76, 119,598.69 and 29,800.22

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Solution

The fourth proportional to 79,756.76, 119,598.69 and 29,800.22 is: 44,686.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,756.76 : 119,598.69 = 29,800.22 : x
  2. Step 2: Convert to fraction form
    79,756.76/119,598.69 = 29,800.22/x
  3. Step 3: Cross multiply
    79,756.76x = 119,598.69 × 29,800.22
  4. Step 4: Simplify right side
    79,756.76x = 3,564,067,273.71
  5. Step 5: Solve for x
    x = 3,564,067,273.71/79,756.76
  6. Step 6: Final answer
    x = 44,686.71

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1.5x scale

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.