Home / 57,300.44-79,073.36-31,805.32

Finding the Fourth Proportional to 57,300.44, 79,073.36 and 31,805.32

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Solution

The fourth proportional to 57,300.44, 79,073.36 and 31,805.32 is: 43,890.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,300.44 : 79,073.36 = 31,805.32 : x
  2. Step 2: Convert to fraction form
    57,300.44/79,073.36 = 31,805.32/x
  3. Step 3: Cross multiply
    57,300.44x = 79,073.36 × 31,805.32
  4. Step 4: Simplify right side
    57,300.44x = 2,514,953,518.28
  5. Step 5: Solve for x
    x = 2,514,953,518.28/57,300.44
  6. Step 6: Final answer
    x = 43,890.65

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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.