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Finding the Fourth Proportional to 68,465.52, 94,484.88 and 40,180.32

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Solution

The fourth proportional to 68,465.52, 94,484.88 and 40,180.32 is: 55,450.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,465.52 : 94,484.88 = 40,180.32 : x
  2. Step 2: Convert to fraction form
    68,465.52/94,484.88 = 40,180.32/x
  3. Step 3: Cross multiply
    68,465.52x = 94,484.88 × 40,180.32
  4. Step 4: Simplify right side
    68,465.52x = 3,796,432,713.56
  5. Step 5: Solve for x
    x = 3,796,432,713.56/68,465.52
  6. Step 6: Final answer
    x = 55,450.29

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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.