Home / 49,742.40-68,646.24-28,522.56

Finding the Fourth Proportional to 49,742.40, 68,646.24 and 28,522.56

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Solution

The fourth proportional to 49,742.40, 68,646.24 and 28,522.56 is: 39,362.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,742.40 : 68,646.24 = 28,522.56 : x
  2. Step 2: Convert to fraction form
    49,742.40/68,646.24 = 28,522.56/x
  3. Step 3: Cross multiply
    49,742.40x = 68,646.24 × 28,522.56
  4. Step 4: Simplify right side
    49,742.40x = 1,957,966,499.17
  5. Step 5: Solve for x
    x = 1,957,966,499.17/49,742.40
  6. Step 6: Final answer
    x = 39,362.12

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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.