Home / 61,249.55-84,462.21-57,677.85

Finding the Fourth Proportional to 61,249.55, 84,462.21 and 57,677.85

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Solution

The fourth proportional to 61,249.55, 84,462.21 and 57,677.85 is: 79,536.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,249.55 : 84,462.21 = 57,677.85 : x
  2. Step 2: Convert to fraction form
    61,249.55/84,462.21 = 57,677.85/x
  3. Step 3: Cross multiply
    61,249.55x = 84,462.21 × 57,677.85
  4. Step 4: Simplify right side
    61,249.55x = 4,871,598,679.05
  5. Step 5: Solve for x
    x = 4,871,598,679.05/61,249.55
  6. Step 6: Final answer
    x = 79,536.90

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1.5x scale

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.