Home / 68,734.50-94,853.61-38,926.50

Finding the Fourth Proportional to 68,734.50, 94,853.61 and 38,926.50

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Solution

The fourth proportional to 68,734.50, 94,853.61 and 38,926.50 is: 53,718.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,734.50 : 94,853.61 = 38,926.50 : x
  2. Step 2: Convert to fraction form
    68,734.50/94,853.61 = 38,926.50/x
  3. Step 3: Cross multiply
    68,734.50x = 94,853.61 × 38,926.50
  4. Step 4: Simplify right side
    68,734.50x = 3,692,319,049.67
  5. Step 5: Solve for x
    x = 3,692,319,049.67/68,734.50
  6. Step 6: Final answer
    x = 53,718.57

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1.5x scale

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.