Home / 69,171.27-103,722.02-31,699.76

Finding the Fourth Proportional to 69,171.27, 103,722.02 and 31,699.76

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Solution

The fourth proportional to 69,171.27, 103,722.02 and 31,699.76 is: 47,533.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,171.27 : 103,722.02 = 31,699.76 : x
  2. Step 2: Convert to fraction form
    69,171.27/103,722.02 = 31,699.76/x
  3. Step 3: Cross multiply
    69,171.27x = 103,722.02 × 31,699.76
  4. Step 4: Simplify right side
    69,171.27x = 3,287,962,582.48
  5. Step 5: Solve for x
    x = 3,287,962,582.48/69,171.27
  6. Step 6: Final answer
    x = 47,533.65

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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.