Home / 67,872.02-93,659.15-40,998.65

Finding the Fourth Proportional to 67,872.02, 93,659.15 and 40,998.65

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Solution

The fourth proportional to 67,872.02, 93,659.15 and 40,998.65 is: 56,575.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,872.02 : 93,659.15 = 40,998.65 : x
  2. Step 2: Convert to fraction form
    67,872.02/93,659.15 = 40,998.65/x
  3. Step 3: Cross multiply
    67,872.02x = 93,659.15 × 40,998.65
  4. Step 4: Simplify right side
    67,872.02x = 3,839,898,036.86
  5. Step 5: Solve for x
    x = 3,839,898,036.86/67,872.02
  6. Step 6: Final answer
    x = 56,575.57

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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.