Home / 109,135.60-163,703.40-62,393.20

Finding the Fourth Proportional to 109,135.60, 163,703.40 and 62,393.20

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Solution

The fourth proportional to 109,135.60, 163,703.40 and 62,393.20 is: 93,589.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,135.60 : 163,703.40 = 62,393.20 : x
  2. Step 2: Convert to fraction form
    109,135.60/163,703.40 = 62,393.20/x
  3. Step 3: Cross multiply
    109,135.60x = 163,703.40 × 62,393.20
  4. Step 4: Simplify right side
    109,135.60x = 10,213,978,976.88
  5. Step 5: Solve for x
    x = 10,213,978,976.88/109,135.60
  6. Step 6: Final answer
    x = 93,589.80

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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.