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Finding the Fourth Proportional to 79,834.50, 110,159.58 and 45,844.47

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Solution

The fourth proportional to 79,834.50, 110,159.58 and 45,844.47 is: 63,258.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,834.50 : 110,159.58 = 45,844.47 : x
  2. Step 2: Convert to fraction form
    79,834.50/110,159.58 = 45,844.47/x
  3. Step 3: Cross multiply
    79,834.50x = 110,159.58 × 45,844.47
  4. Step 4: Simplify right side
    79,834.50x = 5,050,207,560.52
  5. Step 5: Solve for x
    x = 5,050,207,560.52/79,834.50
  6. Step 6: Final answer
    x = 63,258.46

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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.