Home / 65,992.11-91,045.25-43,343.37

Finding the Fourth Proportional to 65,992.11, 91,045.25 and 43,343.37

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Solution

The fourth proportional to 65,992.11, 91,045.25 and 43,343.37 is: 59,798.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,992.11 : 91,045.25 = 43,343.37 : x
  2. Step 2: Convert to fraction form
    65,992.11/91,045.25 = 43,343.37/x
  3. Step 3: Cross multiply
    65,992.11x = 91,045.25 × 43,343.37
  4. Step 4: Simplify right side
    65,992.11x = 3,946,207,740.78
  5. Step 5: Solve for x
    x = 3,946,207,740.78/65,992.11
  6. Step 6: Final answer
    x = 59,798.17

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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.