Home / 75,316.12-112,977.12-22,725.61

Finding the Fourth Proportional to 75,316.12, 112,977.12 and 22,725.61

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Solution

The fourth proportional to 75,316.12, 112,977.12 and 22,725.61 is: 34,089.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,316.12 : 112,977.12 = 22,725.61 : x
  2. Step 2: Convert to fraction form
    75,316.12/112,977.12 = 22,725.61/x
  3. Step 3: Cross multiply
    75,316.12x = 112,977.12 × 22,725.61
  4. Step 4: Simplify right side
    75,316.12x = 2,567,473,968.04
  5. Step 5: Solve for x
    x = 2,567,473,968.04/75,316.12
  6. Step 6: Final answer
    x = 34,089.30

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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.