Home / 84,029.20-126,189.60-44,663.20

Finding the Fourth Proportional to 84,029.20, 126,189.60 and 44,663.20

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Solution

The fourth proportional to 84,029.20, 126,189.60 and 44,663.20 is: 67,072.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,029.20 : 126,189.60 = 44,663.20 : x
  2. Step 2: Convert to fraction form
    84,029.20/126,189.60 = 44,663.20/x
  3. Step 3: Cross multiply
    84,029.20x = 126,189.60 × 44,663.20
  4. Step 4: Simplify right side
    84,029.20x = 5,636,031,342.72
  5. Step 5: Solve for x
    x = 5,636,031,342.72/84,029.20
  6. Step 6: Final answer
    x = 67,072.30

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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.