Home / 83,431.53-125,160.96-27,255.33

Finding the Fourth Proportional to 83,431.53, 125,160.96 and 27,255.33

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Solution

The fourth proportional to 83,431.53, 125,160.96 and 27,255.33 is: 40,887.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,431.53 : 125,160.96 = 27,255.33 : x
  2. Step 2: Convert to fraction form
    83,431.53/125,160.96 = 27,255.33/x
  3. Step 3: Cross multiply
    83,431.53x = 125,160.96 × 27,255.33
  4. Step 4: Simplify right side
    83,431.53x = 3,411,303,267.92
  5. Step 5: Solve for x
    x = 3,411,303,267.92/83,431.53
  6. Step 6: Final answer
    x = 40,887.46

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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.