Home / 115,870.60-173,822.10-49,310.20

Finding the Fourth Proportional to 115,870.60, 173,822.10 and 49,310.20

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Solution

The fourth proportional to 115,870.60, 173,822.10 and 49,310.20 is: 73,972.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,870.60 : 173,822.10 = 49,310.20 : x
  2. Step 2: Convert to fraction form
    115,870.60/173,822.10 = 49,310.20/x
  3. Step 3: Cross multiply
    115,870.60x = 173,822.10 × 49,310.20
  4. Step 4: Simplify right side
    115,870.60x = 8,571,202,515.42
  5. Step 5: Solve for x
    x = 8,571,202,515.42/115,870.60
  6. Step 6: Final answer
    x = 73,972.19

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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.