Home / 92,742.30-127,986.68-52,454.12

Finding the Fourth Proportional to 92,742.30, 127,986.68 and 52,454.12

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Solution

The fourth proportional to 92,742.30, 127,986.68 and 52,454.12 is: 72,387.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,742.30 : 127,986.68 = 52,454.12 : x
  2. Step 2: Convert to fraction form
    92,742.30/127,986.68 = 52,454.12/x
  3. Step 3: Cross multiply
    92,742.30x = 127,986.68 × 52,454.12
  4. Step 4: Simplify right side
    92,742.30x = 6,713,428,162.32
  5. Step 5: Solve for x
    x = 6,713,428,162.32/92,742.30
  6. Step 6: Final answer
    x = 72,387.98

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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.