Home / 70,230.24-105,359.04-25,857.36

Finding the Fourth Proportional to 70,230.24, 105,359.04 and 25,857.36

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Solution

The fourth proportional to 70,230.24, 105,359.04 and 25,857.36 is: 38,791.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,230.24 : 105,359.04 = 25,857.36 : x
  2. Step 2: Convert to fraction form
    70,230.24/105,359.04 = 25,857.36/x
  3. Step 3: Cross multiply
    70,230.24x = 105,359.04 × 25,857.36
  4. Step 4: Simplify right side
    70,230.24x = 2,724,306,626.53
  5. Step 5: Solve for x
    x = 2,724,306,626.53/70,230.24
  6. Step 6: Final answer
    x = 38,791.08

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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.