Home / 85,242.38-127,858.23-26,073.36

Finding the Fourth Proportional to 85,242.38, 127,858.23 and 26,073.36

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Solution

The fourth proportional to 85,242.38, 127,858.23 and 26,073.36 is: 39,108.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,242.38 : 127,858.23 = 26,073.36 : x
  2. Step 2: Convert to fraction form
    85,242.38/127,858.23 = 26,073.36/x
  3. Step 3: Cross multiply
    85,242.38x = 127,858.23 × 26,073.36
  4. Step 4: Simplify right side
    85,242.38x = 3,333,693,659.75
  5. Step 5: Solve for x
    x = 3,333,693,659.75/85,242.38
  6. Step 6: Final answer
    x = 39,108.41

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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.