Home / 49,417.36-74,126.19-11,977.29

Finding the Fourth Proportional to 49,417.36, 74,126.19 and 11,977.29

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Solution

The fourth proportional to 49,417.36, 74,126.19 and 11,977.29 is: 17,965.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,417.36 : 74,126.19 = 11,977.29 : x
  2. Step 2: Convert to fraction form
    49,417.36/74,126.19 = 11,977.29/x
  3. Step 3: Cross multiply
    49,417.36x = 74,126.19 × 11,977.29
  4. Step 4: Simplify right side
    49,417.36x = 887,830,919.14
  5. Step 5: Solve for x
    x = 887,830,919.14/49,417.36
  6. Step 6: Final answer
    x = 17,965.97

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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.