Home / 113,948.76-170,591.04-66,418.50

Finding the Fourth Proportional to 113,948.76, 170,591.04 and 66,418.50

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Solution

The fourth proportional to 113,948.76, 170,591.04 and 66,418.50 is: 99,434.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,948.76 : 170,591.04 = 66,418.50 : x
  2. Step 2: Convert to fraction form
    113,948.76/170,591.04 = 66,418.50/x
  3. Step 3: Cross multiply
    113,948.76x = 170,591.04 × 66,418.50
  4. Step 4: Simplify right side
    113,948.76x = 11,330,400,990.24
  5. Step 5: Solve for x
    x = 11,330,400,990.24/113,948.76
  6. Step 6: Final answer
    x = 99,434.18

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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.