Home / 84,349.20-126,523.80-34,412.70

Finding the Fourth Proportional to 84,349.20, 126,523.80 and 34,412.70

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Solution

The fourth proportional to 84,349.20, 126,523.80 and 34,412.70 is: 51,619.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,349.20 : 126,523.80 = 34,412.70 : x
  2. Step 2: Convert to fraction form
    84,349.20/126,523.80 = 34,412.70/x
  3. Step 3: Cross multiply
    84,349.20x = 126,523.80 × 34,412.70
  4. Step 4: Simplify right side
    84,349.20x = 4,354,025,572.26
  5. Step 5: Solve for x
    x = 4,354,025,572.26/84,349.20
  6. Step 6: Final answer
    x = 51,619.05

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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.