Home / 67,856.97-93,628.60-39,176.14

Finding the Fourth Proportional to 67,856.97, 93,628.60 and 39,176.14

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Solution

The fourth proportional to 67,856.97, 93,628.60 and 39,176.14 is: 54,054.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,856.97 : 93,628.60 = 39,176.14 : x
  2. Step 2: Convert to fraction form
    67,856.97/93,628.60 = 39,176.14/x
  3. Step 3: Cross multiply
    67,856.97x = 93,628.60 × 39,176.14
  4. Step 4: Simplify right side
    67,856.97x = 3,668,006,956.50
  5. Step 5: Solve for x
    x = 3,668,006,956.50/67,856.97
  6. Step 6: Final answer
    x = 54,054.97

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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.