Home / 84,410.18-126,615.26-34,490.23

Finding the Fourth Proportional to 84,410.18, 126,615.26 and 34,490.23

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Solution

The fourth proportional to 84,410.18, 126,615.26 and 34,490.23 is: 51,735.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,410.18 : 126,615.26 = 34,490.23 : x
  2. Step 2: Convert to fraction form
    84,410.18/126,615.26 = 34,490.23/x
  3. Step 3: Cross multiply
    84,410.18x = 126,615.26 × 34,490.23
  4. Step 4: Simplify right side
    84,410.18x = 4,366,988,805.83
  5. Step 5: Solve for x
    x = 4,366,988,805.83/84,410.18
  6. Step 6: Final answer
    x = 51,735.34

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Similar ratio
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1.5x scale

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.