Home / 53,165.03-73,370.23-31,649.91

Finding the Fourth Proportional to 53,165.03, 73,370.23 and 31,649.91

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Solution

The fourth proportional to 53,165.03, 73,370.23 and 31,649.91 is: 43,678.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,165.03 : 73,370.23 = 31,649.91 : x
  2. Step 2: Convert to fraction form
    53,165.03/73,370.23 = 31,649.91/x
  3. Step 3: Cross multiply
    53,165.03x = 73,370.23 × 31,649.91
  4. Step 4: Simplify right side
    53,165.03x = 2,322,160,821.92
  5. Step 5: Solve for x
    x = 2,322,160,821.92/53,165.03
  6. Step 6: Final answer
    x = 43,678.35

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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.