Home / 53,563.85-73,916.91-29,690.31

Finding the Fourth Proportional to 53,563.85, 73,916.91 and 29,690.31

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Solution

The fourth proportional to 53,563.85, 73,916.91 and 29,690.31 is: 40,971.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,563.85 : 73,916.91 = 29,690.31 : x
  2. Step 2: Convert to fraction form
    53,563.85/73,916.91 = 29,690.31/x
  3. Step 3: Cross multiply
    53,563.85x = 73,916.91 × 29,690.31
  4. Step 4: Simplify right side
    53,563.85x = 2,194,615,972.14
  5. Step 5: Solve for x
    x = 2,194,615,972.14/53,563.85
  6. Step 6: Final answer
    x = 40,971.96

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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.