Home / 53,275.74-79,949.28-22,111.02

Finding the Fourth Proportional to 53,275.74, 79,949.28 and 22,111.02

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Solution

The fourth proportional to 53,275.74, 79,949.28 and 22,111.02 is: 33,181.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,275.74 : 79,949.28 = 22,111.02 : x
  2. Step 2: Convert to fraction form
    53,275.74/79,949.28 = 22,111.02/x
  3. Step 3: Cross multiply
    53,275.74x = 79,949.28 × 22,111.02
  4. Step 4: Simplify right side
    53,275.74x = 1,767,760,129.07
  5. Step 5: Solve for x
    x = 1,767,760,129.07/53,275.74
  6. Step 6: Final answer
    x = 33,181.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.