Home / 92,635.32-127,836.78-54,387.36

Finding the Fourth Proportional to 92,635.32, 127,836.78 and 54,387.36

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Solution

The fourth proportional to 92,635.32, 127,836.78 and 54,387.36 is: 75,054.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,635.32 : 127,836.78 = 54,387.36 : x
  2. Step 2: Convert to fraction form
    92,635.32/127,836.78 = 54,387.36/x
  3. Step 3: Cross multiply
    92,635.32x = 127,836.78 × 54,387.36
  4. Step 4: Simplify right side
    92,635.32x = 6,952,704,975.10
  5. Step 5: Solve for x
    x = 6,952,704,975.10/92,635.32
  6. Step 6: Final answer
    x = 75,054.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.