Home / 62,900.60-86,844.30-39,062.84

Finding the Fourth Proportional to 62,900.60, 86,844.30 and 39,062.84

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Solution

The fourth proportional to 62,900.60, 86,844.30 and 39,062.84 is: 53,932.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,900.60 : 86,844.30 = 39,062.84 : x
  2. Step 2: Convert to fraction form
    62,900.60/86,844.30 = 39,062.84/x
  3. Step 3: Cross multiply
    62,900.60x = 86,844.30 × 39,062.84
  4. Step 4: Simplify right side
    62,900.60x = 3,392,384,995.81
  5. Step 5: Solve for x
    x = 3,392,384,995.81/62,900.60
  6. Step 6: Final answer
    x = 53,932.47

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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.