Home / 67,716.20-101,595.04-30,307.76

Finding the Fourth Proportional to 67,716.20, 101,595.04 and 30,307.76

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Solution

The fourth proportional to 67,716.20, 101,595.04 and 30,307.76 is: 45,470.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,716.20 : 101,595.04 = 30,307.76 : x
  2. Step 2: Convert to fraction form
    67,716.20/101,595.04 = 30,307.76/x
  3. Step 3: Cross multiply
    67,716.20x = 101,595.04 × 30,307.76
  4. Step 4: Simplify right side
    67,716.20x = 3,079,118,089.51
  5. Step 5: Solve for x
    x = 3,079,118,089.51/67,716.20
  6. Step 6: Final answer
    x = 45,470.92

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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.