Home / 66,623.97-91,981.13-41,507.49

Finding the Fourth Proportional to 66,623.97, 91,981.13 and 41,507.49

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Solution

The fourth proportional to 66,623.97, 91,981.13 and 41,507.49 is: 57,305.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,623.97 : 91,981.13 = 41,507.49 : x
  2. Step 2: Convert to fraction form
    66,623.97/91,981.13 = 41,507.49/x
  3. Step 3: Cross multiply
    66,623.97x = 91,981.13 × 41,507.49
  4. Step 4: Simplify right side
    66,623.97x = 3,817,905,833.66
  5. Step 5: Solve for x
    x = 3,817,905,833.66/66,623.97
  6. Step 6: Final answer
    x = 57,305.29

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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.