Home / 109,581.94-151,197.37-66,560.23

Finding the Fourth Proportional to 109,581.94, 151,197.37 and 66,560.23

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Solution

The fourth proportional to 109,581.94, 151,197.37 and 66,560.23 is: 91,837.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,581.94 : 151,197.37 = 66,560.23 : x
  2. Step 2: Convert to fraction form
    109,581.94/151,197.37 = 66,560.23/x
  3. Step 3: Cross multiply
    109,581.94x = 151,197.37 × 66,560.23
  4. Step 4: Simplify right side
    109,581.94x = 10,063,732,119.59
  5. Step 5: Solve for x
    x = 10,063,732,119.59/109,581.94
  6. Step 6: Final answer
    x = 91,837.51

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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.