Home / 122,488.94-169,030.35-68,776.22

Finding the Fourth Proportional to 122,488.94, 169,030.35 and 68,776.22

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Solution

The fourth proportional to 122,488.94, 169,030.35 and 68,776.22 is: 94,908.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,488.94 : 169,030.35 = 68,776.22 : x
  2. Step 2: Convert to fraction form
    122,488.94/169,030.35 = 68,776.22/x
  3. Step 3: Cross multiply
    122,488.94x = 169,030.35 × 68,776.22
  4. Step 4: Simplify right side
    122,488.94x = 11,625,268,538.28
  5. Step 5: Solve for x
    x = 11,625,268,538.28/122,488.94
  6. Step 6: Final answer
    x = 94,908.72

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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.