Home / 88,862.12-122,550.29-73,730.82

Finding the Fourth Proportional to 88,862.12, 122,550.29 and 73,730.82

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Solution

The fourth proportional to 88,862.12, 122,550.29 and 73,730.82 is: 101,682.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,862.12 : 122,550.29 = 73,730.82 : x
  2. Step 2: Convert to fraction form
    88,862.12/122,550.29 = 73,730.82/x
  3. Step 3: Cross multiply
    88,862.12x = 122,550.29 × 73,730.82
  4. Step 4: Simplify right side
    88,862.12x = 9,035,733,372.94
  5. Step 5: Solve for x
    x = 9,035,733,372.94/88,862.12
  6. Step 6: Final answer
    x = 101,682.62

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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.