Home / 49,342.92-74,021.66-14,278.02

Finding the Fourth Proportional to 49,342.92, 74,021.66 and 14,278.02

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Solution

The fourth proportional to 49,342.92, 74,021.66 and 14,278.02 is: 21,419.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,342.92 : 74,021.66 = 14,278.02 : x
  2. Step 2: Convert to fraction form
    49,342.92/74,021.66 = 14,278.02/x
  3. Step 3: Cross multiply
    49,342.92x = 74,021.66 × 14,278.02
  4. Step 4: Simplify right side
    49,342.92x = 1,056,882,943.17
  5. Step 5: Solve for x
    x = 1,056,882,943.17/49,342.92
  6. Step 6: Final answer
    x = 21,419.14

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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.