Home / 45,372.20-68,123.10-34,356.20

Finding the Fourth Proportional to 45,372.20, 68,123.10 and 34,356.20

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Solution

The fourth proportional to 45,372.20, 68,123.10 and 34,356.20 is: 51,583.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,372.20 : 68,123.10 = 34,356.20 : x
  2. Step 2: Convert to fraction form
    45,372.20/68,123.10 = 34,356.20/x
  3. Step 3: Cross multiply
    45,372.20x = 68,123.10 × 34,356.20
  4. Step 4: Simplify right side
    45,372.20x = 2,340,450,848.22
  5. Step 5: Solve for x
    x = 2,340,450,848.22/45,372.20
  6. Step 6: Final answer
    x = 51,583.37

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1.5x scale

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.