Home / 68,565.78-94,621.50-40,271.94

Finding the Fourth Proportional to 68,565.78, 94,621.50 and 40,271.94

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Solution

The fourth proportional to 68,565.78, 94,621.50 and 40,271.94 is: 55,575.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,565.78 : 94,621.50 = 40,271.94 : x
  2. Step 2: Convert to fraction form
    68,565.78/94,621.50 = 40,271.94/x
  3. Step 3: Cross multiply
    68,565.78x = 94,621.50 × 40,271.94
  4. Step 4: Simplify right side
    68,565.78x = 3,810,591,370.71
  5. Step 5: Solve for x
    x = 3,810,591,370.71/68,565.78
  6. Step 6: Final answer
    x = 55,575.70

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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.