Home / 85,240.97-127,840.92-26,077.15

Finding the Fourth Proportional to 85,240.97, 127,840.92 and 26,077.15

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Solution

The fourth proportional to 85,240.97, 127,840.92 and 26,077.15 is: 39,109.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,240.97 : 127,840.92 = 26,077.15 : x
  2. Step 2: Convert to fraction form
    85,240.97/127,840.92 = 26,077.15/x
  3. Step 3: Cross multiply
    85,240.97x = 127,840.92 × 26,077.15
  4. Step 4: Simplify right side
    85,240.97x = 3,333,726,846.98
  5. Step 5: Solve for x
    x = 3,333,726,846.98/85,240.97
  6. Step 6: Final answer
    x = 39,109.44

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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.