Home / 75,480.50-104,168.53-45,265.28

Finding the Fourth Proportional to 75,480.50, 104,168.53 and 45,265.28

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Solution

The fourth proportional to 75,480.50, 104,168.53 and 45,265.28 is: 62,469.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,480.50 : 104,168.53 = 45,265.28 : x
  2. Step 2: Convert to fraction form
    75,480.50/104,168.53 = 45,265.28/x
  3. Step 3: Cross multiply
    75,480.50x = 104,168.53 × 45,265.28
  4. Step 4: Simplify right side
    75,480.50x = 4,715,217,043.63
  5. Step 5: Solve for x
    x = 4,715,217,043.63/75,480.50
  6. Step 6: Final answer
    x = 62,469.34

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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.