Home / 75,521.56-104,221.20-41,531.64

Finding the Fourth Proportional to 75,521.56, 104,221.20 and 41,531.64

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Solution

The fourth proportional to 75,521.56, 104,221.20 and 41,531.64 is: 57,314.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,521.56 : 104,221.20 = 41,531.64 : x
  2. Step 2: Convert to fraction form
    75,521.56/104,221.20 = 41,531.64/x
  3. Step 3: Cross multiply
    75,521.56x = 104,221.20 × 41,531.64
  4. Step 4: Simplify right side
    75,521.56x = 4,328,477,358.77
  5. Step 5: Solve for x
    x = 4,328,477,358.77/75,521.56
  6. Step 6: Final answer
    x = 57,314.46

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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.