Home / 84,442.24-126,601.92-54,889.60

Finding the Fourth Proportional to 84,442.24, 126,601.92 and 54,889.60

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Solution

The fourth proportional to 84,442.24, 126,601.92 and 54,889.60 is: 82,294.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,442.24 : 126,601.92 = 54,889.60 : x
  2. Step 2: Convert to fraction form
    84,442.24/126,601.92 = 54,889.60/x
  3. Step 3: Cross multiply
    84,442.24x = 126,601.92 × 54,889.60
  4. Step 4: Simplify right side
    84,442.24x = 6,949,128,748.03
  5. Step 5: Solve for x
    x = 6,949,128,748.03/84,442.24
  6. Step 6: Final answer
    x = 82,294.46

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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.