Home / 81,510.33-122,265.92-37,106.03

Finding the Fourth Proportional to 81,510.33, 122,265.92 and 37,106.03

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Solution

The fourth proportional to 81,510.33, 122,265.92 and 37,106.03 is: 55,659.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,510.33 : 122,265.92 = 37,106.03 : x
  2. Step 2: Convert to fraction form
    81,510.33/122,265.92 = 37,106.03/x
  3. Step 3: Cross multiply
    81,510.33x = 122,265.92 × 37,106.03
  4. Step 4: Simplify right side
    81,510.33x = 4,536,803,293.93
  5. Step 5: Solve for x
    x = 4,536,803,293.93/81,510.33
  6. Step 6: Final answer
    x = 55,659.24

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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.