Home / 99,524.03-148,875.98-90,765.09

Finding the Fourth Proportional to 99,524.03, 148,875.98 and 90,765.09

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Solution

The fourth proportional to 99,524.03, 148,875.98 and 90,765.09 is: 135,773.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,524.03 : 148,875.98 = 90,765.09 : x
  2. Step 2: Convert to fraction form
    99,524.03/148,875.98 = 90,765.09/x
  3. Step 3: Cross multiply
    99,524.03x = 148,875.98 × 90,765.09
  4. Step 4: Simplify right side
    99,524.03x = 13,512,741,269.71
  5. Step 5: Solve for x
    x = 13,512,741,269.71/99,524.03
  6. Step 6: Final answer
    x = 135,773.66

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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.