Home / 68,542.83-94,582.35-40,243.05

Finding the Fourth Proportional to 68,542.83, 94,582.35 and 40,243.05

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Solution

The fourth proportional to 68,542.83, 94,582.35 and 40,243.05 is: 55,531.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,542.83 : 94,582.35 = 40,243.05 : x
  2. Step 2: Convert to fraction form
    68,542.83/94,582.35 = 40,243.05/x
  3. Step 3: Cross multiply
    68,542.83x = 94,582.35 × 40,243.05
  4. Step 4: Simplify right side
    68,542.83x = 3,806,282,240.17
  5. Step 5: Solve for x
    x = 3,806,282,240.17/68,542.83
  6. Step 6: Final answer
    x = 55,531.44

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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.