Home / 75,027.15-103,550.22-43,214.49

Finding the Fourth Proportional to 75,027.15, 103,550.22 and 43,214.49

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Solution

The fourth proportional to 75,027.15, 103,550.22 and 43,214.49 is: 59,643.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,027.15 : 103,550.22 = 43,214.49 : x
  2. Step 2: Convert to fraction form
    75,027.15/103,550.22 = 43,214.49/x
  3. Step 3: Cross multiply
    75,027.15x = 103,550.22 × 43,214.49
  4. Step 4: Simplify right side
    75,027.15x = 4,474,869,946.69
  5. Step 5: Solve for x
    x = 4,474,869,946.69/75,027.15
  6. Step 6: Final answer
    x = 59,643.34

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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.