Home / 68,009.40-102,017.52-48,231.48

Finding the Fourth Proportional to 68,009.40, 102,017.52 and 48,231.48

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Solution

The fourth proportional to 68,009.40, 102,017.52 and 48,231.48 is: 72,349.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,009.40 : 102,017.52 = 48,231.48 : x
  2. Step 2: Convert to fraction form
    68,009.40/102,017.52 = 48,231.48/x
  3. Step 3: Cross multiply
    68,009.40x = 102,017.52 × 48,231.48
  4. Step 4: Simplify right side
    68,009.40x = 4,920,455,975.53
  5. Step 5: Solve for x
    x = 4,920,455,975.53/68,009.40
  6. Step 6: Final answer
    x = 72,349.65

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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.