Home / 77,338.44-116,044.92-39,900.24

Finding the Fourth Proportional to 77,338.44, 116,044.92 and 39,900.24

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Solution

The fourth proportional to 77,338.44, 116,044.92 and 39,900.24 is: 59,869.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,338.44 : 116,044.92 = 39,900.24 : x
  2. Step 2: Convert to fraction form
    77,338.44/116,044.92 = 39,900.24/x
  3. Step 3: Cross multiply
    77,338.44x = 116,044.92 × 39,900.24
  4. Step 4: Simplify right side
    77,338.44x = 4,630,220,158.78
  5. Step 5: Solve for x
    x = 4,630,220,158.78/77,338.44
  6. Step 6: Final answer
    x = 59,869.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.