Home / 62,712.08-94,081.08-21,158.48

Finding the Fourth Proportional to 62,712.08, 94,081.08 and 21,158.48

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Solution

The fourth proportional to 62,712.08, 94,081.08 and 21,158.48 is: 31,742.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,712.08 : 94,081.08 = 21,158.48 : x
  2. Step 2: Convert to fraction form
    62,712.08/94,081.08 = 21,158.48/x
  3. Step 3: Cross multiply
    62,712.08x = 94,081.08 × 21,158.48
  4. Step 4: Simplify right side
    62,712.08x = 1,990,612,649.56
  5. Step 5: Solve for x
    x = 1,990,612,649.56/62,712.08
  6. Step 6: Final answer
    x = 31,742.09

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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.