Home / 68,085.11-93,919.11-40,854.15

Finding the Fourth Proportional to 68,085.11, 93,919.11 and 40,854.15

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Solution

The fourth proportional to 68,085.11, 93,919.11 and 40,854.15 is: 56,355.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,085.11 : 93,919.11 = 40,854.15 : x
  2. Step 2: Convert to fraction form
    68,085.11/93,919.11 = 40,854.15/x
  3. Step 3: Cross multiply
    68,085.11x = 93,919.11 × 40,854.15
  4. Step 4: Simplify right side
    68,085.11x = 3,836,985,407.81
  5. Step 5: Solve for x
    x = 3,836,985,407.81/68,085.11
  6. Step 6: Final answer
    x = 56,355.72

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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.