Home / 57,074.19-78,837.64-43,809.36

Finding the Fourth Proportional to 57,074.19, 78,837.64 and 43,809.36

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Solution

The fourth proportional to 57,074.19, 78,837.64 and 43,809.36 is: 60,514.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,074.19 : 78,837.64 = 43,809.36 : x
  2. Step 2: Convert to fraction form
    57,074.19/78,837.64 = 43,809.36/x
  3. Step 3: Cross multiply
    57,074.19x = 78,837.64 × 43,809.36
  4. Step 4: Simplify right side
    57,074.19x = 3,453,826,552.31
  5. Step 5: Solve for x
    x = 3,453,826,552.31/57,074.19
  6. Step 6: Final answer
    x = 60,514.68

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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.