Home / 99,305.04-148,939.92-28,232.40

Finding the Fourth Proportional to 99,305.04, 148,939.92 and 28,232.40

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Solution

The fourth proportional to 99,305.04, 148,939.92 and 28,232.40 is: 42,343.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,305.04 : 148,939.92 = 28,232.40 : x
  2. Step 2: Convert to fraction form
    99,305.04/148,939.92 = 28,232.40/x
  3. Step 3: Cross multiply
    99,305.04x = 148,939.92 × 28,232.40
  4. Step 4: Simplify right side
    99,305.04x = 4,204,931,397.41
  5. Step 5: Solve for x
    x = 4,204,931,397.41/99,305.04
  6. Step 6: Final answer
    x = 42,343.58

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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.