Home / 71,659.20-98,851.92-42,570.96

Finding the Fourth Proportional to 71,659.20, 98,851.92 and 42,570.96

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Solution

The fourth proportional to 71,659.20, 98,851.92 and 42,570.96 is: 58,725.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,659.20 : 98,851.92 = 42,570.96 : x
  2. Step 2: Convert to fraction form
    71,659.20/98,851.92 = 42,570.96/x
  3. Step 3: Cross multiply
    71,659.20x = 98,851.92 × 42,570.96
  4. Step 4: Simplify right side
    71,659.20x = 4,208,221,132.24
  5. Step 5: Solve for x
    x = 4,208,221,132.24/71,659.20
  6. Step 6: Final answer
    x = 58,725.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.