Home / 83,439.54-125,103.81-53,841.21

Finding the Fourth Proportional to 83,439.54, 125,103.81 and 53,841.21

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Solution

The fourth proportional to 83,439.54, 125,103.81 and 53,841.21 is: 80,726.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,439.54 : 125,103.81 = 53,841.21 : x
  2. Step 2: Convert to fraction form
    83,439.54/125,103.81 = 53,841.21/x
  3. Step 3: Cross multiply
    83,439.54x = 125,103.81 × 53,841.21
  4. Step 4: Simplify right side
    83,439.54x = 6,735,740,506.01
  5. Step 5: Solve for x
    x = 6,735,740,506.01/83,439.54
  6. Step 6: Final answer
    x = 80,726.00

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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.