Home / 53,823.20-74,296.68-40,433.29

Finding the Fourth Proportional to 53,823.20, 74,296.68 and 40,433.29

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Solution

The fourth proportional to 53,823.20, 74,296.68 and 40,433.29 is: 55,813.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,823.20 : 74,296.68 = 40,433.29 : x
  2. Step 2: Convert to fraction form
    53,823.20/74,296.68 = 40,433.29/x
  3. Step 3: Cross multiply
    53,823.20x = 74,296.68 × 40,433.29
  4. Step 4: Simplify right side
    53,823.20x = 3,004,058,871.11
  5. Step 5: Solve for x
    x = 3,004,058,871.11/53,823.20
  6. Step 6: Final answer
    x = 55,813.46

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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.