Home / 59,009.85-81,537.18-47,170.89

Finding the Fourth Proportional to 59,009.85, 81,537.18 and 47,170.89

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Solution

The fourth proportional to 59,009.85, 81,537.18 and 47,170.89 is: 65,178.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,009.85 : 81,537.18 = 47,170.89 : x
  2. Step 2: Convert to fraction form
    59,009.85/81,537.18 = 47,170.89/x
  3. Step 3: Cross multiply
    59,009.85x = 81,537.18 × 47,170.89
  4. Step 4: Simplify right side
    59,009.85x = 3,846,181,348.69
  5. Step 5: Solve for x
    x = 3,846,181,348.69/59,009.85
  6. Step 6: Final answer
    x = 65,178.63

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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.