Home / 52,107.39-71,911.17-29,445.75

Finding the Fourth Proportional to 52,107.39, 71,911.17 and 29,445.75

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Solution

The fourth proportional to 52,107.39, 71,911.17 and 29,445.75 is: 40,636.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,107.39 : 71,911.17 = 29,445.75 : x
  2. Step 2: Convert to fraction form
    52,107.39/71,911.17 = 29,445.75/x
  3. Step 3: Cross multiply
    52,107.39x = 71,911.17 × 29,445.75
  4. Step 4: Simplify right side
    52,107.39x = 2,117,478,334.03
  5. Step 5: Solve for x
    x = 2,117,478,334.03/52,107.39
  6. Step 6: Final answer
    x = 40,636.81

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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.