Home / 49,649.16-74,473.09-12,209.56

Finding the Fourth Proportional to 49,649.16, 74,473.09 and 12,209.56

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Solution

The fourth proportional to 49,649.16, 74,473.09 and 12,209.56 is: 18,314.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,649.16 : 74,473.09 = 12,209.56 : x
  2. Step 2: Convert to fraction form
    49,649.16/74,473.09 = 12,209.56/x
  3. Step 3: Cross multiply
    49,649.16x = 74,473.09 × 12,209.56
  4. Step 4: Simplify right side
    49,649.16x = 909,283,444.03
  5. Step 5: Solve for x
    x = 909,283,444.03/49,649.16
  6. Step 6: Final answer
    x = 18,314.17

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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.