Home / 84,777.55-127,160.44-25,613.53

Finding the Fourth Proportional to 84,777.55, 127,160.44 and 25,613.53

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Solution

The fourth proportional to 84,777.55, 127,160.44 and 25,613.53 is: 38,418.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,777.55 : 127,160.44 = 25,613.53 : x
  2. Step 2: Convert to fraction form
    84,777.55/127,160.44 = 25,613.53/x
  3. Step 3: Cross multiply
    84,777.55x = 127,160.44 × 25,613.53
  4. Step 4: Simplify right side
    84,777.55x = 3,257,027,744.75
  5. Step 5: Solve for x
    x = 3,257,027,744.75/84,777.55
  6. Step 6: Final answer
    x = 38,418.52

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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.