Home / 99,432.09-149,115.73-32,859.81

Finding the Fourth Proportional to 99,432.09, 149,115.73 and 32,859.81

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Solution

The fourth proportional to 99,432.09, 149,115.73 and 32,859.81 is: 49,279.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,432.09 : 149,115.73 = 32,859.81 : x
  2. Step 2: Convert to fraction form
    99,432.09/149,115.73 = 32,859.81/x
  3. Step 3: Cross multiply
    99,432.09x = 149,115.73 × 32,859.81
  4. Step 4: Simplify right side
    99,432.09x = 4,899,914,555.81
  5. Step 5: Solve for x
    x = 4,899,914,555.81/99,432.09
  6. Step 6: Final answer
    x = 49,279.01

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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.