Home / 73,141.58-109,515.18-47,778.27

Finding the Fourth Proportional to 73,141.58, 109,515.18 and 47,778.27

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Solution

The fourth proportional to 73,141.58, 109,515.18 and 47,778.27 is: 71,538.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,141.58 : 109,515.18 = 47,778.27 : x
  2. Step 2: Convert to fraction form
    73,141.58/109,515.18 = 47,778.27/x
  3. Step 3: Cross multiply
    73,141.58x = 109,515.18 × 47,778.27
  4. Step 4: Simplify right side
    73,141.58x = 5,232,445,839.14
  5. Step 5: Solve for x
    x = 5,232,445,839.14/73,141.58
  6. Step 6: Final answer
    x = 71,538.60

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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.