Home / 61,037.82-91,149.48-47,740.86

Finding the Fourth Proportional to 61,037.82, 91,149.48 and 47,740.86

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Solution

The fourth proportional to 61,037.82, 91,149.48 and 47,740.86 is: 71,292.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,037.82 : 91,149.48 = 47,740.86 : x
  2. Step 2: Convert to fraction form
    61,037.82/91,149.48 = 47,740.86/x
  3. Step 3: Cross multiply
    61,037.82x = 91,149.48 × 47,740.86
  4. Step 4: Simplify right side
    61,037.82x = 4,351,554,563.75
  5. Step 5: Solve for x
    x = 4,351,554,563.75/61,037.82
  6. Step 6: Final answer
    x = 71,292.76

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.