Home / 85,240.91-127,866.48-26,077.09

Finding the Fourth Proportional to 85,240.91, 127,866.48 and 26,077.09

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Solution

The fourth proportional to 85,240.91, 127,866.48 and 26,077.09 is: 39,117.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,240.91 : 127,866.48 = 26,077.09 : x
  2. Step 2: Convert to fraction form
    85,240.91/127,866.48 = 26,077.09/x
  3. Step 3: Cross multiply
    85,240.91x = 127,866.48 × 26,077.09
  4. Step 4: Simplify right side
    85,240.91x = 3,334,385,675.92
  5. Step 5: Solve for x
    x = 3,334,385,675.92/85,240.91
  6. Step 6: Final answer
    x = 39,117.20

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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.