Home / 99,312.38-148,921.74-36,088.03

Finding the Fourth Proportional to 99,312.38, 148,921.74 and 36,088.03

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Solution

The fourth proportional to 99,312.38, 148,921.74 and 36,088.03 is: 54,115.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,312.38 : 148,921.74 = 36,088.03 : x
  2. Step 2: Convert to fraction form
    99,312.38/148,921.74 = 36,088.03/x
  3. Step 3: Cross multiply
    99,312.38x = 148,921.74 × 36,088.03
  4. Step 4: Simplify right side
    99,312.38x = 5,374,292,406.92
  5. Step 5: Solve for x
    x = 5,374,292,406.92/99,312.38
  6. Step 6: Final answer
    x = 54,115.03

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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.