Home / 63,115.77-87,097.37-39,236.97

Finding the Fourth Proportional to 63,115.77, 87,097.37 and 39,236.97

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Solution

The fourth proportional to 63,115.77, 87,097.37 and 39,236.97 is: 54,145.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,115.77 : 87,097.37 = 39,236.97 : x
  2. Step 2: Convert to fraction form
    63,115.77/87,097.37 = 39,236.97/x
  3. Step 3: Cross multiply
    63,115.77x = 87,097.37 × 39,236.97
  4. Step 4: Simplify right side
    63,115.77x = 3,417,436,697.58
  5. Step 5: Solve for x
    x = 3,417,436,697.58/63,115.77
  6. Step 6: Final answer
    x = 54,145.53

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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.