Home / 55,358.46-83,037.36-47,839.18

Finding the Fourth Proportional to 55,358.46, 83,037.36 and 47,839.18

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Solution

The fourth proportional to 55,358.46, 83,037.36 and 47,839.18 is: 71,758.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,358.46 : 83,037.36 = 47,839.18 : x
  2. Step 2: Convert to fraction form
    55,358.46/83,037.36 = 47,839.18/x
  3. Step 3: Cross multiply
    55,358.46x = 83,037.36 × 47,839.18
  4. Step 4: Simplify right side
    55,358.46x = 3,972,439,211.76
  5. Step 5: Solve for x
    x = 3,972,439,211.76/55,358.46
  6. Step 6: Final answer
    x = 71,758.48

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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.