Home / 71,231.48-98,185.38-48,254.31

Finding the Fourth Proportional to 71,231.48, 98,185.38 and 48,254.31

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Solution

The fourth proportional to 71,231.48, 98,185.38 and 48,254.31 is: 66,513.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,231.48 : 98,185.38 = 48,254.31 : x
  2. Step 2: Convert to fraction form
    71,231.48/98,185.38 = 48,254.31/x
  3. Step 3: Cross multiply
    71,231.48x = 98,185.38 × 48,254.31
  4. Step 4: Simplify right side
    71,231.48x = 4,737,868,301.43
  5. Step 5: Solve for x
    x = 4,737,868,301.43/71,231.48
  6. Step 6: Final answer
    x = 66,513.68

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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.