Home / 55,910.76-83,848.38-18,463.86

Finding the Fourth Proportional to 55,910.76, 83,848.38 and 18,463.86

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Solution

The fourth proportional to 55,910.76, 83,848.38 and 18,463.86 is: 27,689.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,910.76 : 83,848.38 = 18,463.86 : x
  2. Step 2: Convert to fraction form
    55,910.76/83,848.38 = 18,463.86/x
  3. Step 3: Cross multiply
    55,910.76x = 83,848.38 × 18,463.86
  4. Step 4: Simplify right side
    55,910.76x = 1,548,164,749.55
  5. Step 5: Solve for x
    x = 1,548,164,749.55/55,910.76
  6. Step 6: Final answer
    x = 27,689.92

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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.