Home / 75,315.12-112,975.62-22,724.61

Finding the Fourth Proportional to 75,315.12, 112,975.62 and 22,724.61

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Solution

The fourth proportional to 75,315.12, 112,975.62 and 22,724.61 is: 34,087.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,315.12 : 112,975.62 = 22,724.61 : x
  2. Step 2: Convert to fraction form
    75,315.12/112,975.62 = 22,724.61/x
  3. Step 3: Cross multiply
    75,315.12x = 112,975.62 × 22,724.61
  4. Step 4: Simplify right side
    75,315.12x = 2,567,326,904.01
  5. Step 5: Solve for x
    x = 2,567,326,904.01/75,315.12
  6. Step 6: Final answer
    x = 34,087.80

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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.