Home / 71,215.43-98,261.24-42,529.88

Finding the Fourth Proportional to 71,215.43, 98,261.24 and 42,529.88

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Solution

The fourth proportional to 71,215.43, 98,261.24 and 42,529.88 is: 58,681.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,215.43 : 98,261.24 = 42,529.88 : x
  2. Step 2: Convert to fraction form
    71,215.43/98,261.24 = 42,529.88/x
  3. Step 3: Cross multiply
    71,215.43x = 98,261.24 × 42,529.88
  4. Step 4: Simplify right side
    71,215.43x = 4,179,038,778.85
  5. Step 5: Solve for x
    x = 4,179,038,778.85/71,215.43
  6. Step 6: Final answer
    x = 58,681.65

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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.