Home / 107,379.26-161,068.74-45,049.76

Finding the Fourth Proportional to 107,379.26, 161,068.74 and 45,049.76

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Solution

The fourth proportional to 107,379.26, 161,068.74 and 45,049.76 is: 67,574.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,379.26 : 161,068.74 = 45,049.76 : x
  2. Step 2: Convert to fraction form
    107,379.26/161,068.74 = 45,049.76/x
  3. Step 3: Cross multiply
    107,379.26x = 161,068.74 × 45,049.76
  4. Step 4: Simplify right side
    107,379.26x = 7,256,108,080.50
  5. Step 5: Solve for x
    x = 7,256,108,080.50/107,379.26
  6. Step 6: Final answer
    x = 67,574.58

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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.