Home / 115,722.90-173,522.61-54,869.22

Finding the Fourth Proportional to 115,722.90, 173,522.61 and 54,869.22

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Solution

The fourth proportional to 115,722.90, 173,522.61 and 54,869.22 is: 82,274.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,722.90 : 173,522.61 = 54,869.22 : x
  2. Step 2: Convert to fraction form
    115,722.90/173,522.61 = 54,869.22/x
  3. Step 3: Cross multiply
    115,722.90x = 173,522.61 × 54,869.22
  4. Step 4: Simplify right side
    115,722.90x = 9,521,050,263.06
  5. Step 5: Solve for x
    x = 9,521,050,263.06/115,722.90
  6. Step 6: Final answer
    x = 82,274.56

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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.