Home / 85,251.76-127,788.46-29,072.18

Finding the Fourth Proportional to 85,251.76, 127,788.46 and 29,072.18

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Solution

The fourth proportional to 85,251.76, 127,788.46 and 29,072.18 is: 43,577.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,251.76 : 127,788.46 = 29,072.18 : x
  2. Step 2: Convert to fraction form
    85,251.76/127,788.46 = 29,072.18/x
  3. Step 3: Cross multiply
    85,251.76x = 127,788.46 × 29,072.18
  4. Step 4: Simplify right side
    85,251.76x = 3,715,089,111.04
  5. Step 5: Solve for x
    x = 3,715,089,111.04/85,251.76
  6. Step 6: Final answer
    x = 43,577.86

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1.5x scale

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.