Home / 67,933.95-101,868.13-28,480.47

Finding the Fourth Proportional to 67,933.95, 101,868.13 and 28,480.47

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Solution

The fourth proportional to 67,933.95, 101,868.13 and 28,480.47 is: 42,706.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,933.95 : 101,868.13 = 28,480.47 : x
  2. Step 2: Convert to fraction form
    67,933.95/101,868.13 = 28,480.47/x
  3. Step 3: Cross multiply
    67,933.95x = 101,868.13 × 28,480.47
  4. Step 4: Simplify right side
    67,933.95x = 2,901,252,220.42
  5. Step 5: Solve for x
    x = 2,901,252,220.42/67,933.95
  6. Step 6: Final answer
    x = 42,706.96

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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.