Home / 61,761.12-85,233.60-34,904.64

Finding the Fourth Proportional to 61,761.12, 85,233.60 and 34,904.64

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Solution

The fourth proportional to 61,761.12, 85,233.60 and 34,904.64 is: 48,170.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,761.12 : 85,233.60 = 34,904.64 : x
  2. Step 2: Convert to fraction form
    61,761.12/85,233.60 = 34,904.64/x
  3. Step 3: Cross multiply
    61,761.12x = 85,233.60 × 34,904.64
  4. Step 4: Simplify right side
    61,761.12x = 2,975,048,123.90
  5. Step 5: Solve for x
    x = 2,975,048,123.90/61,761.12
  6. Step 6: Final answer
    x = 48,170.24

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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.