Home / 68,595.20-94,672.32-40,307.84

Finding the Fourth Proportional to 68,595.20, 94,672.32 and 40,307.84

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Solution

The fourth proportional to 68,595.20, 94,672.32 and 40,307.84 is: 55,631.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,595.20 : 94,672.32 = 40,307.84 : x
  2. Step 2: Convert to fraction form
    68,595.20/94,672.32 = 40,307.84/x
  3. Step 3: Cross multiply
    68,595.20x = 94,672.32 × 40,307.84
  4. Step 4: Simplify right side
    68,595.20x = 3,816,036,726.99
  5. Step 5: Solve for x
    x = 3,816,036,726.99/68,595.20
  6. Step 6: Final answer
    x = 55,631.25

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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.