Home / 86,239.60-119,010.48-48,513.85

Finding the Fourth Proportional to 86,239.60, 119,010.48 and 48,513.85

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Solution

The fourth proportional to 86,239.60, 119,010.48 and 48,513.85 is: 66,949.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,239.60 : 119,010.48 = 48,513.85 : x
  2. Step 2: Convert to fraction form
    86,239.60/119,010.48 = 48,513.85/x
  3. Step 3: Cross multiply
    86,239.60x = 119,010.48 × 48,513.85
  4. Step 4: Simplify right side
    86,239.60x = 5,773,656,575.15
  5. Step 5: Solve for x
    x = 5,773,656,575.15/86,239.60
  6. Step 6: Final answer
    x = 66,949.02

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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.