Home / 70,251.12-104,875.92-67,790.16

Finding the Fourth Proportional to 70,251.12, 104,875.92 and 67,790.16

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Solution

The fourth proportional to 70,251.12, 104,875.92 and 67,790.16 is: 101,202.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,251.12 : 104,875.92 = 67,790.16 : x
  2. Step 2: Convert to fraction form
    70,251.12/104,875.92 = 67,790.16/x
  3. Step 3: Cross multiply
    70,251.12x = 104,875.92 × 67,790.16
  4. Step 4: Simplify right side
    70,251.12x = 7,109,555,396.95
  5. Step 5: Solve for x
    x = 7,109,555,396.95/70,251.12
  6. Step 6: Final answer
    x = 101,202.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.