Home / 45,356.71-62,622.80-40,561.78

Finding the Fourth Proportional to 45,356.71, 62,622.80 and 40,561.78

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Solution

The fourth proportional to 45,356.71, 62,622.80 and 40,561.78 is: 56,002.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,356.71 : 62,622.80 = 40,561.78 : x
  2. Step 2: Convert to fraction form
    45,356.71/62,622.80 = 40,561.78/x
  3. Step 3: Cross multiply
    45,356.71x = 62,622.80 × 40,561.78
  4. Step 4: Simplify right side
    45,356.71x = 2,540,092,236.58
  5. Step 5: Solve for x
    x = 2,540,092,236.58/45,356.71
  6. Step 6: Final answer
    x = 56,002.57

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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.