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Finding the Fourth Proportional to 85,441.48, 127,965.30 and 59,164.84

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Solution

The fourth proportional to 85,441.48, 127,965.30 and 59,164.84 is: 88,610.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,441.48 : 127,965.30 = 59,164.84 : x
  2. Step 2: Convert to fraction form
    85,441.48/127,965.30 = 59,164.84/x
  3. Step 3: Cross multiply
    85,441.48x = 127,965.30 × 59,164.84
  4. Step 4: Simplify right side
    85,441.48x = 7,571,046,500.05
  5. Step 5: Solve for x
    x = 7,571,046,500.05/85,441.48
  6. Step 6: Final answer
    x = 88,610.90

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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.