Home / 61,582.22-84,939.38-40,031.77

Finding the Fourth Proportional to 61,582.22, 84,939.38 and 40,031.77

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Solution

The fourth proportional to 61,582.22, 84,939.38 and 40,031.77 is: 55,215.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,582.22 : 84,939.38 = 40,031.77 : x
  2. Step 2: Convert to fraction form
    61,582.22/84,939.38 = 40,031.77/x
  3. Step 3: Cross multiply
    61,582.22x = 84,939.38 × 40,031.77
  4. Step 4: Simplify right side
    61,582.22x = 3,400,273,846.15
  5. Step 5: Solve for x
    x = 3,400,273,846.15/61,582.22
  6. Step 6: Final answer
    x = 55,215.18

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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.