Home / 71,908.48-107,862.64-33,436.16

Finding the Fourth Proportional to 71,908.48, 107,862.64 and 33,436.16

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Solution

The fourth proportional to 71,908.48, 107,862.64 and 33,436.16 is: 50,154.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,908.48 : 107,862.64 = 33,436.16 : x
  2. Step 2: Convert to fraction form
    71,908.48/107,862.64 = 33,436.16/x
  3. Step 3: Cross multiply
    71,908.48x = 107,862.64 × 33,436.16
  4. Step 4: Simplify right side
    71,908.48x = 3,606,512,489.06
  5. Step 5: Solve for x
    x = 3,606,512,489.06/71,908.48
  6. Step 6: Final answer
    x = 50,154.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.