Home / 84,776.57-127,206.20-34,871.66

Finding the Fourth Proportional to 84,776.57, 127,206.20 and 34,871.66

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Solution

The fourth proportional to 84,776.57, 127,206.20 and 34,871.66 is: 52,324.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,776.57 : 127,206.20 = 34,871.66 : x
  2. Step 2: Convert to fraction form
    84,776.57/127,206.20 = 34,871.66/x
  3. Step 3: Cross multiply
    84,776.57x = 127,206.20 × 34,871.66
  4. Step 4: Simplify right side
    84,776.57x = 4,435,891,356.29
  5. Step 5: Solve for x
    x = 4,435,891,356.29/84,776.57
  6. Step 6: Final answer
    x = 52,324.50

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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.