Home / 122,790.24-169,465.52-69,077.52

Finding the Fourth Proportional to 122,790.24, 169,465.52 and 69,077.52

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Solution

The fourth proportional to 122,790.24, 169,465.52 and 69,077.52 is: 95,335.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,790.24 : 169,465.52 = 69,077.52 : x
  2. Step 2: Convert to fraction form
    122,790.24/169,465.52 = 69,077.52/x
  3. Step 3: Cross multiply
    122,790.24x = 169,465.52 × 69,077.52
  4. Step 4: Simplify right side
    122,790.24x = 11,706,257,847.11
  5. Step 5: Solve for x
    x = 11,706,257,847.11/122,790.24
  6. Step 6: Final answer
    x = 95,335.41

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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.