Home / 75,079.19-103,609.29-41,087.69

Finding the Fourth Proportional to 75,079.19, 103,609.29 and 41,087.69

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Solution

The fourth proportional to 75,079.19, 103,609.29 and 41,087.69 is: 56,701.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,079.19 : 103,609.29 = 41,087.69 : x
  2. Step 2: Convert to fraction form
    75,079.19/103,609.29 = 41,087.69/x
  3. Step 3: Cross multiply
    75,079.19x = 103,609.29 × 41,087.69
  4. Step 4: Simplify right side
    75,079.19x = 4,257,066,388.64
  5. Step 5: Solve for x
    x = 4,257,066,388.64/75,079.19
  6. Step 6: Final answer
    x = 56,701.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.