Home / 85,442.20-128,176.62-41,060.68

Finding the Fourth Proportional to 85,442.20, 128,176.62 and 41,060.68

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Solution

The fourth proportional to 85,442.20, 128,176.62 and 41,060.68 is: 61,597.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,442.20 : 128,176.62 = 41,060.68 : x
  2. Step 2: Convert to fraction form
    85,442.20/128,176.62 = 41,060.68/x
  3. Step 3: Cross multiply
    85,442.20x = 128,176.62 × 41,060.68
  4. Step 4: Simplify right side
    85,442.20x = 5,263,019,177.30
  5. Step 5: Solve for x
    x = 5,263,019,177.30/85,442.20
  6. Step 6: Final answer
    x = 61,597.42

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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.