Home / 68,445.61-94,425.75-42,934.66

Finding the Fourth Proportional to 68,445.61, 94,425.75 and 42,934.66

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Solution

The fourth proportional to 68,445.61, 94,425.75 and 42,934.66 is: 59,231.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,445.61 : 94,425.75 = 42,934.66 : x
  2. Step 2: Convert to fraction form
    68,445.61/94,425.75 = 42,934.66/x
  3. Step 3: Cross multiply
    68,445.61x = 94,425.75 × 42,934.66
  4. Step 4: Simplify right side
    68,445.61x = 4,054,137,235.43
  5. Step 5: Solve for x
    x = 4,054,137,235.43/68,445.61
  6. Step 6: Final answer
    x = 59,231.52

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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.