Home / 66,202.47-99,347.45-31,144.86

Finding the Fourth Proportional to 66,202.47, 99,347.45 and 31,144.86

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Solution

The fourth proportional to 66,202.47, 99,347.45 and 31,144.86 is: 46,737.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,202.47 : 99,347.45 = 31,144.86 : x
  2. Step 2: Convert to fraction form
    66,202.47/99,347.45 = 31,144.86/x
  3. Step 3: Cross multiply
    66,202.47x = 99,347.45 × 31,144.86
  4. Step 4: Simplify right side
    66,202.47x = 3,094,162,265.88
  5. Step 5: Solve for x
    x = 3,094,162,265.88/66,202.47
  6. Step 6: Final answer
    x = 46,737.87

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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.