Home / 122,567.15-169,124.22-68,841.87

Finding the Fourth Proportional to 122,567.15, 169,124.22 and 68,841.87

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Solution

The fourth proportional to 122,567.15, 169,124.22 and 68,841.87 is: 94,991.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,567.15 : 169,124.22 = 68,841.87 : x
  2. Step 2: Convert to fraction form
    122,567.15/169,124.22 = 68,841.87/x
  3. Step 3: Cross multiply
    122,567.15x = 169,124.22 × 68,841.87
  4. Step 4: Simplify right side
    122,567.15x = 11,642,827,567.09
  5. Step 5: Solve for x
    x = 11,642,827,567.09/122,567.15
  6. Step 6: Final answer
    x = 94,991.42

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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.