Home / 48,895.20-73,499.40-45,428.40

Finding the Fourth Proportional to 48,895.20, 73,499.40 and 45,428.40

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Solution

The fourth proportional to 48,895.20, 73,499.40 and 45,428.40 is: 68,288.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,895.20 : 73,499.40 = 45,428.40 : x
  2. Step 2: Convert to fraction form
    48,895.20/73,499.40 = 45,428.40/x
  3. Step 3: Cross multiply
    48,895.20x = 73,499.40 × 45,428.40
  4. Step 4: Simplify right side
    48,895.20x = 3,338,960,142.96
  5. Step 5: Solve for x
    x = 3,338,960,142.96/48,895.20
  6. Step 6: Final answer
    x = 68,288.10

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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.