Home / 68,014.32-101,935.04-38,448.72

Finding the Fourth Proportional to 68,014.32, 101,935.04 and 38,448.72

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Solution

The fourth proportional to 68,014.32, 101,935.04 and 38,448.72 is: 57,624.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,014.32 : 101,935.04 = 38,448.72 : x
  2. Step 2: Convert to fraction form
    68,014.32/101,935.04 = 38,448.72/x
  3. Step 3: Cross multiply
    68,014.32x = 101,935.04 × 38,448.72
  4. Step 4: Simplify right side
    68,014.32x = 3,919,271,811.15
  5. Step 5: Solve for x
    x = 3,919,271,811.15/68,014.32
  6. Step 6: Final answer
    x = 57,624.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.