Home / 68,330.76-94,304.70-40,036.47

Finding the Fourth Proportional to 68,330.76, 94,304.70 and 40,036.47

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Solution

The fourth proportional to 68,330.76, 94,304.70 and 40,036.47 is: 55,255.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,330.76 : 94,304.70 = 40,036.47 : x
  2. Step 2: Convert to fraction form
    68,330.76/94,304.70 = 40,036.47/x
  3. Step 3: Cross multiply
    68,330.76x = 94,304.70 × 40,036.47
  4. Step 4: Simplify right side
    68,330.76x = 3,775,627,292.41
  5. Step 5: Solve for x
    x = 3,775,627,292.41/68,330.76
  6. Step 6: Final answer
    x = 55,255.16

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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.