Home / 53,965.19-74,452.43-31,291.71

Finding the Fourth Proportional to 53,965.19, 74,452.43 and 31,291.71

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Solution

The fourth proportional to 53,965.19, 74,452.43 and 31,291.71 is: 43,171.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,965.19 : 74,452.43 = 31,291.71 : x
  2. Step 2: Convert to fraction form
    53,965.19/74,452.43 = 31,291.71/x
  3. Step 3: Cross multiply
    53,965.19x = 74,452.43 × 31,291.71
  4. Step 4: Simplify right side
    53,965.19x = 2,329,743,848.36
  5. Step 5: Solve for x
    x = 2,329,743,848.36/53,965.19
  6. Step 6: Final answer
    x = 43,171.23

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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.