Home / 49,720.97-74,483.04-43,488.02

Finding the Fourth Proportional to 49,720.97, 74,483.04 and 43,488.02

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Solution

The fourth proportional to 49,720.97, 74,483.04 and 43,488.02 is: 65,145.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,720.97 : 74,483.04 = 43,488.02 : x
  2. Step 2: Convert to fraction form
    49,720.97/74,483.04 = 43,488.02/x
  3. Step 3: Cross multiply
    49,720.97x = 74,483.04 × 43,488.02
  4. Step 4: Simplify right side
    49,720.97x = 3,239,119,715.74
  5. Step 5: Solve for x
    x = 3,239,119,715.74/49,720.97
  6. Step 6: Final answer
    x = 65,145.95

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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.