Home / 84,670.32-127,081.62-45,261.12

Finding the Fourth Proportional to 84,670.32, 127,081.62 and 45,261.12

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Solution

The fourth proportional to 84,670.32, 127,081.62 and 45,261.12 is: 67,932.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,670.32 : 127,081.62 = 45,261.12 : x
  2. Step 2: Convert to fraction form
    84,670.32/127,081.62 = 45,261.12/x
  3. Step 3: Cross multiply
    84,670.32x = 127,081.62 × 45,261.12
  4. Step 4: Simplify right side
    84,670.32x = 5,751,856,452.61
  5. Step 5: Solve for x
    x = 5,751,856,452.61/84,670.32
  6. Step 6: Final answer
    x = 67,932.38

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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.