Home / 55,330.08-76,354.20-33,819.72

Finding the Fourth Proportional to 55,330.08, 76,354.20 and 33,819.72

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Solution

The fourth proportional to 55,330.08, 76,354.20 and 33,819.72 is: 46,670.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,330.08 : 76,354.20 = 33,819.72 : x
  2. Step 2: Convert to fraction form
    55,330.08/76,354.20 = 33,819.72/x
  3. Step 3: Cross multiply
    55,330.08x = 76,354.20 × 33,819.72
  4. Step 4: Simplify right side
    55,330.08x = 2,582,277,664.82
  5. Step 5: Solve for x
    x = 2,582,277,664.82/55,330.08
  6. Step 6: Final answer
    x = 46,670.41

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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.