Home / 99,825.35-137,758.19-54,502.67

Finding the Fourth Proportional to 99,825.35, 137,758.19 and 54,502.67

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Solution

The fourth proportional to 99,825.35, 137,758.19 and 54,502.67 is: 75,213.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,825.35 : 137,758.19 = 54,502.67 : x
  2. Step 2: Convert to fraction form
    99,825.35/137,758.19 = 54,502.67/x
  3. Step 3: Cross multiply
    99,825.35x = 137,758.19 × 54,502.67
  4. Step 4: Simplify right side
    99,825.35x = 7,508,189,241.25
  5. Step 5: Solve for x
    x = 7,508,189,241.25/99,825.35
  6. Step 6: Final answer
    x = 75,213.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.