Home / 87,870.48-131,804.70-35,279.04

Finding the Fourth Proportional to 87,870.48, 131,804.70 and 35,279.04

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Solution

The fourth proportional to 87,870.48, 131,804.70 and 35,279.04 is: 52,918.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,870.48 : 131,804.70 = 35,279.04 : x
  2. Step 2: Convert to fraction form
    87,870.48/131,804.70 = 35,279.04/x
  3. Step 3: Cross multiply
    87,870.48x = 131,804.70 × 35,279.04
  4. Step 4: Simplify right side
    87,870.48x = 4,649,943,283.49
  5. Step 5: Solve for x
    x = 4,649,943,283.49/87,870.48
  6. Step 6: Final answer
    x = 52,918.15

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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.