Home / 69,941.28-105,003.38-41,530.11

Finding the Fourth Proportional to 69,941.28, 105,003.38 and 41,530.11

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Solution

The fourth proportional to 69,941.28, 105,003.38 and 41,530.11 is: 62,349.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,941.28 : 105,003.38 = 41,530.11 : x
  2. Step 2: Convert to fraction form
    69,941.28/105,003.38 = 41,530.11/x
  3. Step 3: Cross multiply
    69,941.28x = 105,003.38 × 41,530.11
  4. Step 4: Simplify right side
    69,941.28x = 4,360,801,921.77
  5. Step 5: Solve for x
    x = 4,360,801,921.77/69,941.28
  6. Step 6: Final answer
    x = 62,349.47

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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.