Home / 75,242.07-103,797.32-63,301.05

Finding the Fourth Proportional to 75,242.07, 103,797.32 and 63,301.05

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Solution

The fourth proportional to 75,242.07, 103,797.32 and 63,301.05 is: 87,324.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,242.07 : 103,797.32 = 63,301.05 : x
  2. Step 2: Convert to fraction form
    75,242.07/103,797.32 = 63,301.05/x
  3. Step 3: Cross multiply
    75,242.07x = 103,797.32 × 63,301.05
  4. Step 4: Simplify right side
    75,242.07x = 6,570,479,026.68
  5. Step 5: Solve for x
    x = 6,570,479,026.68/75,242.07
  6. Step 6: Final answer
    x = 87,324.54

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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.