Home / 99,660.84-149,490.91-24,780.52

Finding the Fourth Proportional to 99,660.84, 149,490.91 and 24,780.52

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Solution

The fourth proportional to 99,660.84, 149,490.91 and 24,780.52 is: 37,170.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,660.84 : 149,490.91 = 24,780.52 : x
  2. Step 2: Convert to fraction form
    99,660.84/149,490.91 = 24,780.52/x
  3. Step 3: Cross multiply
    99,660.84x = 149,490.91 × 24,780.52
  4. Step 4: Simplify right side
    99,660.84x = 3,704,462,485.07
  5. Step 5: Solve for x
    x = 3,704,462,485.07/99,660.84
  6. Step 6: Final answer
    x = 37,170.69

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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.