Home / 71,077.22-98,087.19-39,248.54

Finding the Fourth Proportional to 71,077.22, 98,087.19 and 39,248.54

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Solution

The fourth proportional to 71,077.22, 98,087.19 and 39,248.54 is: 54,163.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,077.22 : 98,087.19 = 39,248.54 : x
  2. Step 2: Convert to fraction form
    71,077.22/98,087.19 = 39,248.54/x
  3. Step 3: Cross multiply
    71,077.22x = 98,087.19 × 39,248.54
  4. Step 4: Simplify right side
    71,077.22x = 3,849,779,000.20
  5. Step 5: Solve for x
    x = 3,849,779,000.20/71,077.22
  6. Step 6: Final answer
    x = 54,163.33

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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.