Home / 80,014.19-120,053.56-35,610.57

Finding the Fourth Proportional to 80,014.19, 120,053.56 and 35,610.57

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Solution

The fourth proportional to 80,014.19, 120,053.56 and 35,610.57 is: 53,430.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,014.19 : 120,053.56 = 35,610.57 : x
  2. Step 2: Convert to fraction form
    80,014.19/120,053.56 = 35,610.57/x
  3. Step 3: Cross multiply
    80,014.19x = 120,053.56 × 35,610.57
  4. Step 4: Simplify right side
    80,014.19x = 4,275,176,174.59
  5. Step 5: Solve for x
    x = 4,275,176,174.59/80,014.19
  6. Step 6: Final answer
    x = 53,430.22

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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.