Home / 67,880.46-101,779.77-30,433.76

Finding the Fourth Proportional to 67,880.46, 101,779.77 and 30,433.76

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Solution

The fourth proportional to 67,880.46, 101,779.77 and 30,433.76 is: 45,632.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,880.46 : 101,779.77 = 30,433.76 : x
  2. Step 2: Convert to fraction form
    67,880.46/101,779.77 = 30,433.76/x
  3. Step 3: Cross multiply
    67,880.46x = 101,779.77 × 30,433.76
  4. Step 4: Simplify right side
    67,880.46x = 3,097,541,093.04
  5. Step 5: Solve for x
    x = 3,097,541,093.04/67,880.46
  6. Step 6: Final answer
    x = 45,632.29

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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.