Home / 84,720.75-126,998.50-40,335.59

Finding the Fourth Proportional to 84,720.75, 126,998.50 and 40,335.59

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Solution

The fourth proportional to 84,720.75, 126,998.50 and 40,335.59 is: 60,464.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,720.75 : 126,998.50 = 40,335.59 : x
  2. Step 2: Convert to fraction form
    84,720.75/126,998.50 = 40,335.59/x
  3. Step 3: Cross multiply
    84,720.75x = 126,998.50 × 40,335.59
  4. Step 4: Simplify right side
    84,720.75x = 5,122,559,426.62
  5. Step 5: Solve for x
    x = 5,122,559,426.62/84,720.75
  6. Step 6: Final answer
    x = 60,464.05

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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.