Home / 71,135.14-98,158.07-42,449.48

Finding the Fourth Proportional to 71,135.14, 98,158.07 and 42,449.48

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Solution

The fourth proportional to 71,135.14, 98,158.07 and 42,449.48 is: 58,575.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,135.14 : 98,158.07 = 42,449.48 : x
  2. Step 2: Convert to fraction form
    71,135.14/98,158.07 = 42,449.48/x
  3. Step 3: Cross multiply
    71,135.14x = 98,158.07 × 42,449.48
  4. Step 4: Simplify right side
    71,135.14x = 4,166,758,817.06
  5. Step 5: Solve for x
    x = 4,166,758,817.06/71,135.14
  6. Step 6: Final answer
    x = 58,575.26

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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.