Home / 88,462.43-122,083.28-66,619.59

Finding the Fourth Proportional to 88,462.43, 122,083.28 and 66,619.59

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Solution

The fourth proportional to 88,462.43, 122,083.28 and 66,619.59 is: 91,938.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,462.43 : 122,083.28 = 66,619.59 : x
  2. Step 2: Convert to fraction form
    88,462.43/122,083.28 = 66,619.59/x
  3. Step 3: Cross multiply
    88,462.43x = 122,083.28 × 66,619.59
  4. Step 4: Simplify right side
    88,462.43x = 8,133,137,726.36
  5. Step 5: Solve for x
    x = 8,133,137,726.36/88,462.43
  6. Step 6: Final answer
    x = 91,938.90

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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.