Home / 117,261.20-175,924.62-38,430.78

Finding the Fourth Proportional to 117,261.20, 175,924.62 and 38,430.78

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Solution

The fourth proportional to 117,261.20, 175,924.62 and 38,430.78 is: 57,656.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,261.20 : 175,924.62 = 38,430.78 : x
  2. Step 2: Convert to fraction form
    117,261.20/175,924.62 = 38,430.78/x
  3. Step 3: Cross multiply
    117,261.20x = 175,924.62 × 38,430.78
  4. Step 4: Simplify right side
    117,261.20x = 6,760,920,367.80
  5. Step 5: Solve for x
    x = 6,760,920,367.80/117,261.20
  6. Step 6: Final answer
    x = 57,656.93

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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.