Home / 68,043.04-93,863.46-40,432.01

Finding the Fourth Proportional to 68,043.04, 93,863.46 and 40,432.01

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Solution

The fourth proportional to 68,043.04, 93,863.46 and 40,432.01 is: 55,774.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,043.04 : 93,863.46 = 40,432.01 : x
  2. Step 2: Convert to fraction form
    68,043.04/93,863.46 = 40,432.01/x
  3. Step 3: Cross multiply
    68,043.04x = 93,863.46 × 40,432.01
  4. Step 4: Simplify right side
    68,043.04x = 3,795,088,336.21
  5. Step 5: Solve for x
    x = 3,795,088,336.21/68,043.04
  6. Step 6: Final answer
    x = 55,774.82

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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.