Home / 115,596.60-173,279.70-53,158.20

Finding the Fourth Proportional to 115,596.60, 173,279.70 and 53,158.20

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Solution

The fourth proportional to 115,596.60, 173,279.70 and 53,158.20 is: 79,684.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,596.60 : 173,279.70 = 53,158.20 : x
  2. Step 2: Convert to fraction form
    115,596.60/173,279.70 = 53,158.20/x
  3. Step 3: Cross multiply
    115,596.60x = 173,279.70 × 53,158.20
  4. Step 4: Simplify right side
    115,596.60x = 9,211,236,948.54
  5. Step 5: Solve for x
    x = 9,211,236,948.54/115,596.60
  6. Step 6: Final answer
    x = 79,684.32

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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.