Home / 109,257.12-163,885.68-62,477.28

Finding the Fourth Proportional to 109,257.12, 163,885.68 and 62,477.28

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Solution

The fourth proportional to 109,257.12, 163,885.68 and 62,477.28 is: 93,715.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,257.12 : 163,885.68 = 62,477.28 : x
  2. Step 2: Convert to fraction form
    109,257.12/163,885.68 = 62,477.28/x
  3. Step 3: Cross multiply
    109,257.12x = 163,885.68 × 62,477.28
  4. Step 4: Simplify right side
    109,257.12x = 10,239,131,517.35
  5. Step 5: Solve for x
    x = 10,239,131,517.35/109,257.12
  6. Step 6: Final answer
    x = 93,715.92

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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.