Home / 68,575.78-94,646.91-40,283.02

Finding the Fourth Proportional to 68,575.78, 94,646.91 and 40,283.02

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Solution

The fourth proportional to 68,575.78, 94,646.91 and 40,283.02 is: 55,597.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,575.78 : 94,646.91 = 40,283.02 : x
  2. Step 2: Convert to fraction form
    68,575.78/94,646.91 = 40,283.02/x
  3. Step 3: Cross multiply
    68,575.78x = 94,646.91 × 40,283.02
  4. Step 4: Simplify right side
    68,575.78x = 3,812,663,368.47
  5. Step 5: Solve for x
    x = 3,812,663,368.47/68,575.78
  6. Step 6: Final answer
    x = 55,597.81

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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.