Home / 68,180.32-94,099.12-39,895.20

Finding the Fourth Proportional to 68,180.32, 94,099.12 and 39,895.20

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Solution

The fourth proportional to 68,180.32, 94,099.12 and 39,895.20 is: 55,061.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,180.32 : 94,099.12 = 39,895.20 : x
  2. Step 2: Convert to fraction form
    68,180.32/94,099.12 = 39,895.20/x
  3. Step 3: Cross multiply
    68,180.32x = 94,099.12 × 39,895.20
  4. Step 4: Simplify right side
    68,180.32x = 3,754,103,212.22
  5. Step 5: Solve for x
    x = 3,754,103,212.22/68,180.32
  6. Step 6: Final answer
    x = 55,061.39

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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.