Home / 68,344.18-94,312.83-40,068.70

Finding the Fourth Proportional to 68,344.18, 94,312.83 and 40,068.70

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Solution

The fourth proportional to 68,344.18, 94,312.83 and 40,068.70 is: 55,293.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,344.18 : 94,312.83 = 40,068.70 : x
  2. Step 2: Convert to fraction form
    68,344.18/94,312.83 = 40,068.70/x
  3. Step 3: Cross multiply
    68,344.18x = 94,312.83 × 40,068.70
  4. Step 4: Simplify right side
    68,344.18x = 3,778,992,491.42
  5. Step 5: Solve for x
    x = 3,778,992,491.42/68,344.18
  6. Step 6: Final answer
    x = 55,293.55

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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.