Home / 99,709.04-149,433.42-40,475.36

Finding the Fourth Proportional to 99,709.04, 149,433.42 and 40,475.36

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Solution

The fourth proportional to 99,709.04, 149,433.42 and 40,475.36 is: 60,660.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,709.04 : 149,433.42 = 40,475.36 : x
  2. Step 2: Convert to fraction form
    99,709.04/149,433.42 = 40,475.36/x
  3. Step 3: Cross multiply
    99,709.04x = 149,433.42 × 40,475.36
  4. Step 4: Simplify right side
    99,709.04x = 6,048,371,470.53
  5. Step 5: Solve for x
    x = 6,048,371,470.53/99,709.04
  6. Step 6: Final answer
    x = 60,660.21

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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.