Home / 66,360.30-91,596.03-43,715.82

Finding the Fourth Proportional to 66,360.30, 91,596.03 and 43,715.82

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Solution

The fourth proportional to 66,360.30, 91,596.03 and 43,715.82 is: 60,340.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,360.30 : 91,596.03 = 43,715.82 : x
  2. Step 2: Convert to fraction form
    66,360.30/91,596.03 = 43,715.82/x
  3. Step 3: Cross multiply
    66,360.30x = 91,596.03 × 43,715.82
  4. Step 4: Simplify right side
    66,360.30x = 4,004,195,560.19
  5. Step 5: Solve for x
    x = 4,004,195,560.19/66,360.30
  6. Step 6: Final answer
    x = 60,340.23

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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.