Home / 90,357.48-124,694.05-50,071.91

Finding the Fourth Proportional to 90,357.48, 124,694.05 and 50,071.91

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Solution

The fourth proportional to 90,357.48, 124,694.05 and 50,071.91 is: 69,099.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,357.48 : 124,694.05 = 50,071.91 : x
  2. Step 2: Convert to fraction form
    90,357.48/124,694.05 = 50,071.91/x
  3. Step 3: Cross multiply
    90,357.48x = 124,694.05 × 50,071.91
  4. Step 4: Simplify right side
    90,357.48x = 6,243,669,249.14
  5. Step 5: Solve for x
    x = 6,243,669,249.14/90,357.48
  6. Step 6: Final answer
    x = 69,099.64

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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.