Home / 97,932.96-135,139.86-55,498.14

Finding the Fourth Proportional to 97,932.96, 135,139.86 and 55,498.14

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Solution

The fourth proportional to 97,932.96, 135,139.86 and 55,498.14 is: 76,583.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,932.96 : 135,139.86 = 55,498.14 : x
  2. Step 2: Convert to fraction form
    97,932.96/135,139.86 = 55,498.14/x
  3. Step 3: Cross multiply
    97,932.96x = 135,139.86 × 55,498.14
  4. Step 4: Simplify right side
    97,932.96x = 7,500,010,869.86
  5. Step 5: Solve for x
    x = 7,500,010,869.86/97,932.96
  6. Step 6: Final answer
    x = 76,583.11

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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.