Home / 75,550.34-104,224.52-45,283.12

Finding the Fourth Proportional to 75,550.34, 104,224.52 and 45,283.12

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Solution

The fourth proportional to 75,550.34, 104,224.52 and 45,283.12 is: 62,469.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,550.34 : 104,224.52 = 45,283.12 : x
  2. Step 2: Convert to fraction form
    75,550.34/104,224.52 = 45,283.12/x
  3. Step 3: Cross multiply
    75,550.34x = 104,224.52 × 45,283.12
  4. Step 4: Simplify right side
    75,550.34x = 4,719,611,298.75
  5. Step 5: Solve for x
    x = 4,719,611,298.75/75,550.34
  6. Step 6: Final answer
    x = 62,469.75

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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.