Home / 113,012.84-155,956.26-62,710.76

Finding the Fourth Proportional to 113,012.84, 155,956.26 and 62,710.76

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Solution

The fourth proportional to 113,012.84, 155,956.26 and 62,710.76 is: 86,540.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,012.84 : 155,956.26 = 62,710.76 : x
  2. Step 2: Convert to fraction form
    113,012.84/155,956.26 = 62,710.76/x
  3. Step 3: Cross multiply
    113,012.84x = 155,956.26 × 62,710.76
  4. Step 4: Simplify right side
    113,012.84x = 9,780,135,591.36
  5. Step 5: Solve for x
    x = 9,780,135,591.36/113,012.84
  6. Step 6: Final answer
    x = 86,540.04

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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.