Home / 68,314.40-94,281.12-40,043.84

Finding the Fourth Proportional to 68,314.40, 94,281.12 and 40,043.84

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Solution

The fourth proportional to 68,314.40, 94,281.12 and 40,043.84 is: 55,264.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,314.40 : 94,281.12 = 40,043.84 : x
  2. Step 2: Convert to fraction form
    68,314.40/94,281.12 = 40,043.84/x
  3. Step 3: Cross multiply
    68,314.40x = 94,281.12 × 40,043.84
  4. Step 4: Simplify right side
    68,314.40x = 3,775,378,084.30
  5. Step 5: Solve for x
    x = 3,775,378,084.30/68,314.40
  6. Step 6: Final answer
    x = 55,264.75

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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.