Home / 79,438.16-119,122.20-37,330.22

Finding the Fourth Proportional to 79,438.16, 119,122.20 and 37,330.22

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Solution

The fourth proportional to 79,438.16, 119,122.20 and 37,330.22 is: 55,978.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,438.16 : 119,122.20 = 37,330.22 : x
  2. Step 2: Convert to fraction form
    79,438.16/119,122.20 = 37,330.22/x
  3. Step 3: Cross multiply
    79,438.16x = 119,122.20 × 37,330.22
  4. Step 4: Simplify right side
    79,438.16x = 4,446,857,932.88
  5. Step 5: Solve for x
    x = 4,446,857,932.88/79,438.16
  6. Step 6: Final answer
    x = 55,978.86

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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.