Home / 122,947.65-169,666.11-69,237.95

Finding the Fourth Proportional to 122,947.65, 169,666.11 and 69,237.95

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Solution

The fourth proportional to 122,947.65, 169,666.11 and 69,237.95 is: 95,547.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,947.65 : 169,666.11 = 69,237.95 : x
  2. Step 2: Convert to fraction form
    122,947.65/169,666.11 = 69,237.95/x
  3. Step 3: Cross multiply
    122,947.65x = 169,666.11 × 69,237.95
  4. Step 4: Simplify right side
    122,947.65x = 11,747,332,792.54
  5. Step 5: Solve for x
    x = 11,747,332,792.54/122,947.65
  6. Step 6: Final answer
    x = 95,547.44

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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.