Home / 85,231.91-127,862.21-26,053.75

Finding the Fourth Proportional to 85,231.91, 127,862.21 and 26,053.75

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Solution

The fourth proportional to 85,231.91, 127,862.21 and 26,053.75 is: 39,085.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,231.91 : 127,862.21 = 26,053.75 : x
  2. Step 2: Convert to fraction form
    85,231.91/127,862.21 = 26,053.75/x
  3. Step 3: Cross multiply
    85,231.91x = 127,862.21 × 26,053.75
  4. Step 4: Simplify right side
    85,231.91x = 3,331,290,278.75
  5. Step 5: Solve for x
    x = 3,331,290,278.75/85,231.91
  6. Step 6: Final answer
    x = 39,085.01

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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.