Home / 62,537.92-86,315.74-39,871.70

Finding the Fourth Proportional to 62,537.92, 86,315.74 and 39,871.70

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Solution

The fourth proportional to 62,537.92, 86,315.74 and 39,871.70 is: 55,031.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,537.92 : 86,315.74 = 39,871.70 : x
  2. Step 2: Convert to fraction form
    62,537.92/86,315.74 = 39,871.70/x
  3. Step 3: Cross multiply
    62,537.92x = 86,315.74 × 39,871.70
  4. Step 4: Simplify right side
    62,537.92x = 3,441,555,290.56
  5. Step 5: Solve for x
    x = 3,441,555,290.56/62,537.92
  6. Step 6: Final answer
    x = 55,031.50

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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.