Home / 84,437.16-126,545.82-34,458.60

Finding the Fourth Proportional to 84,437.16, 126,545.82 and 34,458.60

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Solution

The fourth proportional to 84,437.16, 126,545.82 and 34,458.60 is: 51,643.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,437.16 : 126,545.82 = 34,458.60 : x
  2. Step 2: Convert to fraction form
    84,437.16/126,545.82 = 34,458.60/x
  3. Step 3: Cross multiply
    84,437.16x = 126,545.82 × 34,458.60
  4. Step 4: Simplify right side
    84,437.16x = 4,360,591,793.05
  5. Step 5: Solve for x
    x = 4,360,591,793.05/84,437.16
  6. Step 6: Final answer
    x = 51,643.04

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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.