Home / 97,703.38-146,403.75-67,775.83

Finding the Fourth Proportional to 97,703.38, 146,403.75 and 67,775.83

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Solution

The fourth proportional to 97,703.38, 146,403.75 and 67,775.83 is: 101,558.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,703.38 : 146,403.75 = 67,775.83 : x
  2. Step 2: Convert to fraction form
    97,703.38/146,403.75 = 67,775.83/x
  3. Step 3: Cross multiply
    97,703.38x = 146,403.75 × 67,775.83
  4. Step 4: Simplify right side
    97,703.38x = 9,922,634,600.46
  5. Step 5: Solve for x
    x = 9,922,634,600.46/97,703.38
  6. Step 6: Final answer
    x = 101,558.76

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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.