Home / 62,120.74-85,629.81-52,031.38

Finding the Fourth Proportional to 62,120.74, 85,629.81 and 52,031.38

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Solution

The fourth proportional to 62,120.74, 85,629.81 and 52,031.38 is: 71,722.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,120.74 : 85,629.81 = 52,031.38 : x
  2. Step 2: Convert to fraction form
    62,120.74/85,629.81 = 52,031.38/x
  3. Step 3: Cross multiply
    62,120.74x = 85,629.81 × 52,031.38
  4. Step 4: Simplify right side
    62,120.74x = 4,455,437,183.44
  5. Step 5: Solve for x
    x = 4,455,437,183.44/62,120.74
  6. Step 6: Final answer
    x = 71,722.22

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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.