Home / 113,929.92-170,931.44-54,769.92

Finding the Fourth Proportional to 113,929.92, 170,931.44 and 54,769.92

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Solution

The fourth proportional to 113,929.92, 170,931.44 and 54,769.92 is: 82,172.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,929.92 : 170,931.44 = 54,769.92 : x
  2. Step 2: Convert to fraction form
    113,929.92/170,931.44 = 54,769.92/x
  3. Step 3: Cross multiply
    113,929.92x = 170,931.44 × 54,769.92
  4. Step 4: Simplify right side
    113,929.92x = 9,361,901,294.28
  5. Step 5: Solve for x
    x = 9,361,901,294.28/113,929.92
  6. Step 6: Final answer
    x = 82,172.46

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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.