Home / 83,327.09-124,844.84-69,376.77

Finding the Fourth Proportional to 83,327.09, 124,844.84 and 69,376.77

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Solution

The fourth proportional to 83,327.09, 124,844.84 and 69,376.77 is: 103,943.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,327.09 : 124,844.84 = 69,376.77 : x
  2. Step 2: Convert to fraction form
    83,327.09/124,844.84 = 69,376.77/x
  3. Step 3: Cross multiply
    83,327.09x = 124,844.84 × 69,376.77
  4. Step 4: Simplify right side
    83,327.09x = 8,661,331,750.37
  5. Step 5: Solve for x
    x = 8,661,331,750.37/83,327.09
  6. Step 6: Final answer
    x = 103,943.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.