Home / 68,555.79-94,606.31-38,340.77

Finding the Fourth Proportional to 68,555.79, 94,606.31 and 38,340.77

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Solution

The fourth proportional to 68,555.79, 94,606.31 and 38,340.77 is: 52,909.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,555.79 : 94,606.31 = 38,340.77 : x
  2. Step 2: Convert to fraction form
    68,555.79/94,606.31 = 38,340.77/x
  3. Step 3: Cross multiply
    68,555.79x = 94,606.31 × 38,340.77
  4. Step 4: Simplify right side
    68,555.79x = 3,627,278,395.08
  5. Step 5: Solve for x
    x = 3,627,278,395.08/68,555.79
  6. Step 6: Final answer
    x = 52,909.88

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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.