Home / 99,231.40-148,846.86-25,359.40

Finding the Fourth Proportional to 99,231.40, 148,846.86 and 25,359.40

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Solution

The fourth proportional to 99,231.40, 148,846.86 and 25,359.40 is: 38,039.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,231.40 : 148,846.86 = 25,359.40 : x
  2. Step 2: Convert to fraction form
    99,231.40/148,846.86 = 25,359.40/x
  3. Step 3: Cross multiply
    99,231.40x = 148,846.86 × 25,359.40
  4. Step 4: Simplify right side
    99,231.40x = 3,774,667,061.48
  5. Step 5: Solve for x
    x = 3,774,667,061.48/99,231.40
  6. Step 6: Final answer
    x = 38,039.04

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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.