Home / 113,818.50-157,069.62-63,517.50

Finding the Fourth Proportional to 113,818.50, 157,069.62 and 63,517.50

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Solution

The fourth proportional to 113,818.50, 157,069.62 and 63,517.50 is: 87,654.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,818.50 : 157,069.62 = 63,517.50 : x
  2. Step 2: Convert to fraction form
    113,818.50/157,069.62 = 63,517.50/x
  3. Step 3: Cross multiply
    113,818.50x = 157,069.62 × 63,517.50
  4. Step 4: Simplify right side
    113,818.50x = 9,976,669,588.35
  5. Step 5: Solve for x
    x = 9,976,669,588.35/113,818.50
  6. Step 6: Final answer
    x = 87,654.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.