Home / 86,874.34-130,330.65-49,452.04

Finding the Fourth Proportional to 86,874.34, 130,330.65 and 49,452.04

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Solution

The fourth proportional to 86,874.34, 130,330.65 and 49,452.04 is: 74,188.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,874.34 : 130,330.65 = 49,452.04 : x
  2. Step 2: Convert to fraction form
    86,874.34/130,330.65 = 49,452.04/x
  3. Step 3: Cross multiply
    86,874.34x = 130,330.65 × 49,452.04
  4. Step 4: Simplify right side
    86,874.34x = 6,445,116,517.03
  5. Step 5: Solve for x
    x = 6,445,116,517.03/86,874.34
  6. Step 6: Final answer
    x = 74,188.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.