Home / 67,015.46-92,483.49-38,721.14

Finding the Fourth Proportional to 67,015.46, 92,483.49 and 38,721.14

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Solution

The fourth proportional to 67,015.46, 92,483.49 and 38,721.14 is: 53,436.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,015.46 : 92,483.49 = 38,721.14 : x
  2. Step 2: Convert to fraction form
    67,015.46/92,483.49 = 38,721.14/x
  3. Step 3: Cross multiply
    67,015.46x = 92,483.49 × 38,721.14
  4. Step 4: Simplify right side
    67,015.46x = 3,581,066,163.98
  5. Step 5: Solve for x
    x = 3,581,066,163.98/67,015.46
  6. Step 6: Final answer
    x = 53,436.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.