Home / 61,244.99-84,343.08-55,143.26

Finding the Fourth Proportional to 61,244.99, 84,343.08 and 55,143.26

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Solution

The fourth proportional to 61,244.99, 84,343.08 and 55,143.26 is: 75,940.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,244.99 : 84,343.08 = 55,143.26 : x
  2. Step 2: Convert to fraction form
    61,244.99/84,343.08 = 55,143.26/x
  3. Step 3: Cross multiply
    61,244.99x = 84,343.08 × 55,143.26
  4. Step 4: Simplify right side
    61,244.99x = 4,650,952,389.64
  5. Step 5: Solve for x
    x = 4,650,952,389.64/61,244.99
  6. Step 6: Final answer
    x = 75,940.13

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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.