Home / 68,394.93-94,382.52-42,915.03

Finding the Fourth Proportional to 68,394.93, 94,382.52 and 42,915.03

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Solution

The fourth proportional to 68,394.93, 94,382.52 and 42,915.03 is: 59,221.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,394.93 : 94,382.52 = 42,915.03 : x
  2. Step 2: Convert to fraction form
    68,394.93/94,382.52 = 42,915.03/x
  3. Step 3: Cross multiply
    68,394.93x = 94,382.52 × 42,915.03
  4. Step 4: Simplify right side
    68,394.93x = 4,050,428,677.28
  5. Step 5: Solve for x
    x = 4,050,428,677.28/68,394.93
  6. Step 6: Final answer
    x = 59,221.18

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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.