Home / 122,763.57-169,400.02-69,047.44

Finding the Fourth Proportional to 122,763.57, 169,400.02 and 69,047.44

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Solution

The fourth proportional to 122,763.57, 169,400.02 and 69,047.44 is: 95,277.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,763.57 : 169,400.02 = 69,047.44 : x
  2. Step 2: Convert to fraction form
    122,763.57/169,400.02 = 69,047.44/x
  3. Step 3: Cross multiply
    122,763.57x = 169,400.02 × 69,047.44
  4. Step 4: Simplify right side
    122,763.57x = 11,696,637,716.95
  5. Step 5: Solve for x
    x = 11,696,637,716.95/122,763.57
  6. Step 6: Final answer
    x = 95,277.76

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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.