Home / 113,817.20-157,076.44-62,839.76

Finding the Fourth Proportional to 113,817.20, 157,076.44 and 62,839.76

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Solution

The fourth proportional to 113,817.20, 157,076.44 and 62,839.76 is: 86,723.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,817.20 : 157,076.44 = 62,839.76 : x
  2. Step 2: Convert to fraction form
    113,817.20/157,076.44 = 62,839.76/x
  3. Step 3: Cross multiply
    113,817.20x = 157,076.44 × 62,839.76
  4. Step 4: Simplify right side
    113,817.20x = 9,870,645,791.25
  5. Step 5: Solve for x
    x = 9,870,645,791.25/113,817.20
  6. Step 6: Final answer
    x = 86,723.67

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1.5x scale

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.