Home / 84,004.20-126,152.10-44,638.20

Finding the Fourth Proportional to 84,004.20, 126,152.10 and 44,638.20

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Solution

The fourth proportional to 84,004.20, 126,152.10 and 44,638.20 is: 67,034.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,004.20 : 126,152.10 = 44,638.20 : x
  2. Step 2: Convert to fraction form
    84,004.20/126,152.10 = 44,638.20/x
  3. Step 3: Cross multiply
    84,004.20x = 126,152.10 × 44,638.20
  4. Step 4: Simplify right side
    84,004.20x = 5,631,202,670.22
  5. Step 5: Solve for x
    x = 5,631,202,670.22/84,004.20
  6. Step 6: Final answer
    x = 67,034.78

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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.