Home / 84,745.85-127,112.59-34,812.38

Finding the Fourth Proportional to 84,745.85, 127,112.59 and 34,812.38

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Solution

The fourth proportional to 84,745.85, 127,112.59 and 34,812.38 is: 52,216.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,745.85 : 127,112.59 = 34,812.38 : x
  2. Step 2: Convert to fraction form
    84,745.85/127,112.59 = 34,812.38/x
  3. Step 3: Cross multiply
    84,745.85x = 127,112.59 × 34,812.38
  4. Step 4: Simplify right side
    84,745.85x = 4,425,092,147.16
  5. Step 5: Solve for x
    x = 4,425,092,147.16/84,745.85
  6. Step 6: Final answer
    x = 52,216.04

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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.