Home / 68,370.77-94,356.39-38,161.98

Finding the Fourth Proportional to 68,370.77, 94,356.39 and 38,161.98

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Solution

The fourth proportional to 68,370.77, 94,356.39 and 38,161.98 is: 52,666.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,370.77 : 94,356.39 = 38,161.98 : x
  2. Step 2: Convert to fraction form
    68,370.77/94,356.39 = 38,161.98/x
  3. Step 3: Cross multiply
    68,370.77x = 94,356.39 × 38,161.98
  4. Step 4: Simplify right side
    68,370.77x = 3,600,826,713.13
  5. Step 5: Solve for x
    x = 3,600,826,713.13/68,370.77
  6. Step 6: Final answer
    x = 52,666.18

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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.