Home / 99,382.72-149,106.24-29,262.40

Finding the Fourth Proportional to 99,382.72, 149,106.24 and 29,262.40

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Solution

The fourth proportional to 99,382.72, 149,106.24 and 29,262.40 is: 43,903.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,382.72 : 149,106.24 = 29,262.40 : x
  2. Step 2: Convert to fraction form
    99,382.72/149,106.24 = 29,262.40/x
  3. Step 3: Cross multiply
    99,382.72x = 149,106.24 × 29,262.40
  4. Step 4: Simplify right side
    99,382.72x = 4,363,206,437.38
  5. Step 5: Solve for x
    x = 4,363,206,437.38/99,382.72
  6. Step 6: Final answer
    x = 43,903.07

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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.