Home / 62,708.77-86,578.64-38,860.75

Finding the Fourth Proportional to 62,708.77, 86,578.64 and 38,860.75

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Solution

The fourth proportional to 62,708.77, 86,578.64 and 38,860.75 is: 53,652.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,708.77 : 86,578.64 = 38,860.75 : x
  2. Step 2: Convert to fraction form
    62,708.77/86,578.64 = 38,860.75/x
  3. Step 3: Cross multiply
    62,708.77x = 86,578.64 × 38,860.75
  4. Step 4: Simplify right side
    62,708.77x = 3,364,510,884.38
  5. Step 5: Solve for x
    x = 3,364,510,884.38/62,708.77
  6. Step 6: Final answer
    x = 53,652.96

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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.