Home / 71,613.31-98,829.17-48,999.73

Finding the Fourth Proportional to 71,613.31, 98,829.17 and 48,999.73

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Solution

The fourth proportional to 71,613.31, 98,829.17 and 48,999.73 is: 67,621.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,613.31 : 98,829.17 = 48,999.73 : x
  2. Step 2: Convert to fraction form
    71,613.31/98,829.17 = 48,999.73/x
  3. Step 3: Cross multiply
    71,613.31x = 98,829.17 × 48,999.73
  4. Step 4: Simplify right side
    71,613.31x = 4,842,602,646.12
  5. Step 5: Solve for x
    x = 4,842,602,646.12/71,613.31
  6. Step 6: Final answer
    x = 67,621.54

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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.