Home / 75,469.18-104,157.34-48,689.59

Finding the Fourth Proportional to 75,469.18, 104,157.34 and 48,689.59

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Solution

The fourth proportional to 75,469.18, 104,157.34 and 48,689.59 is: 67,198.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,469.18 : 104,157.34 = 48,689.59 : x
  2. Step 2: Convert to fraction form
    75,469.18/104,157.34 = 48,689.59/x
  3. Step 3: Cross multiply
    75,469.18x = 104,157.34 × 48,689.59
  4. Step 4: Simplify right side
    75,469.18x = 5,071,378,267.15
  5. Step 5: Solve for x
    x = 5,071,378,267.15/75,469.18
  6. Step 6: Final answer
    x = 67,198.01

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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.