Home / 92,743.58-127,989.04-52,456.56

Finding the Fourth Proportional to 92,743.58, 127,989.04 and 52,456.56

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Solution

The fourth proportional to 92,743.58, 127,989.04 and 52,456.56 is: 72,391.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,743.58 : 127,989.04 = 52,456.56 : x
  2. Step 2: Convert to fraction form
    92,743.58/127,989.04 = 52,456.56/x
  3. Step 3: Cross multiply
    92,743.58x = 127,989.04 × 52,456.56
  4. Step 4: Simplify right side
    92,743.58x = 6,713,864,756.10
  5. Step 5: Solve for x
    x = 6,713,864,756.10/92,743.58
  6. Step 6: Final answer
    x = 72,391.69

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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.