Home / 81,052.47-111,841.29-45,237.87

Finding the Fourth Proportional to 81,052.47, 111,841.29 and 45,237.87

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Solution

The fourth proportional to 81,052.47, 111,841.29 and 45,237.87 is: 62,422.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,052.47 : 111,841.29 = 45,237.87 : x
  2. Step 2: Convert to fraction form
    81,052.47/111,841.29 = 45,237.87/x
  3. Step 3: Cross multiply
    81,052.47x = 111,841.29 × 45,237.87
  4. Step 4: Simplify right side
    81,052.47x = 5,059,461,737.65
  5. Step 5: Solve for x
    x = 5,059,461,737.65/81,052.47
  6. Step 6: Final answer
    x = 62,422.05

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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.