Home / 85,050.11-127,538.29-25,872.12

Finding the Fourth Proportional to 85,050.11, 127,538.29 and 25,872.12

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Solution

The fourth proportional to 85,050.11, 127,538.29 and 25,872.12 is: 38,796.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,050.11 : 127,538.29 = 25,872.12 : x
  2. Step 2: Convert to fraction form
    85,050.11/127,538.29 = 25,872.12/x
  3. Step 3: Cross multiply
    85,050.11x = 127,538.29 × 25,872.12
  4. Step 4: Simplify right side
    85,050.11x = 3,299,685,814.11
  5. Step 5: Solve for x
    x = 3,299,685,814.11/85,050.11
  6. Step 6: Final answer
    x = 38,796.96

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1.5x scale

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.