Home / 79,649.15-119,406.75-53,273.39

Finding the Fourth Proportional to 79,649.15, 119,406.75 and 53,273.39

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Solution

The fourth proportional to 79,649.15, 119,406.75 and 53,273.39 is: 79,865.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,649.15 : 119,406.75 = 53,273.39 : x
  2. Step 2: Convert to fraction form
    79,649.15/119,406.75 = 53,273.39/x
  3. Step 3: Cross multiply
    79,649.15x = 119,406.75 × 53,273.39
  4. Step 4: Simplify right side
    79,649.15x = 6,361,202,361.38
  5. Step 5: Solve for x
    x = 6,361,202,361.38/79,649.15
  6. Step 6: Final answer
    x = 79,865.29

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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.