Home / 68,538.60-94,573.26-40,253.40

Finding the Fourth Proportional to 68,538.60, 94,573.26 and 40,253.40

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Solution

The fourth proportional to 68,538.60, 94,573.26 and 40,253.40 is: 55,543.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,538.60 : 94,573.26 = 40,253.40 : x
  2. Step 2: Convert to fraction form
    68,538.60/94,573.26 = 40,253.40/x
  3. Step 3: Cross multiply
    68,538.60x = 94,573.26 × 40,253.40
  4. Step 4: Simplify right side
    68,538.60x = 3,806,895,264.08
  5. Step 5: Solve for x
    x = 3,806,895,264.08/68,538.60
  6. Step 6: Final answer
    x = 55,543.81

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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.