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Finding the Fourth Proportional to 67,394.56, 93,015.04 and 48,043.52

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Solution

The fourth proportional to 67,394.56, 93,015.04 and 48,043.52 is: 66,307.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,394.56 : 93,015.04 = 48,043.52 : x
  2. Step 2: Convert to fraction form
    67,394.56/93,015.04 = 48,043.52/x
  3. Step 3: Cross multiply
    67,394.56x = 93,015.04 × 48,043.52
  4. Step 4: Simplify right side
    67,394.56x = 4,468,769,934.54
  5. Step 5: Solve for x
    x = 4,468,769,934.54/67,394.56
  6. Step 6: Final answer
    x = 66,307.58

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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.