Home / 80,761.04-121,166.38-41,345.83

Finding the Fourth Proportional to 80,761.04, 121,166.38 and 41,345.83

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Solution

The fourth proportional to 80,761.04, 121,166.38 and 41,345.83 is: 62,031.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,761.04 : 121,166.38 = 41,345.83 : x
  2. Step 2: Convert to fraction form
    80,761.04/121,166.38 = 41,345.83/x
  3. Step 3: Cross multiply
    80,761.04x = 121,166.38 × 41,345.83
  4. Step 4: Simplify right side
    80,761.04x = 5,009,724,549.20
  5. Step 5: Solve for x
    x = 5,009,724,549.20/80,761.04
  6. Step 6: Final answer
    x = 62,031.45

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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.