Home / 53,928.87-74,422.09-31,281.27

Finding the Fourth Proportional to 53,928.87, 74,422.09 and 31,281.27

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Solution

The fourth proportional to 53,928.87, 74,422.09 and 31,281.27 is: 43,168.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,928.87 : 74,422.09 = 31,281.27 : x
  2. Step 2: Convert to fraction form
    53,928.87/74,422.09 = 31,281.27/x
  3. Step 3: Cross multiply
    53,928.87x = 74,422.09 × 31,281.27
  4. Step 4: Simplify right side
    53,928.87x = 2,328,017,491.25
  5. Step 5: Solve for x
    x = 2,328,017,491.25/53,928.87
  6. Step 6: Final answer
    x = 43,168.30

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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.