Home / 48,703.05-73,049.70-13,643.01

Finding the Fourth Proportional to 48,703.05, 73,049.70 and 13,643.01

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Solution

The fourth proportional to 48,703.05, 73,049.70 and 13,643.01 is: 20,463.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,703.05 : 73,049.70 = 13,643.01 : x
  2. Step 2: Convert to fraction form
    48,703.05/73,049.70 = 13,643.01/x
  3. Step 3: Cross multiply
    48,703.05x = 73,049.70 × 13,643.01
  4. Step 4: Simplify right side
    48,703.05x = 996,617,787.60
  5. Step 5: Solve for x
    x = 996,617,787.60/48,703.05
  6. Step 6: Final answer
    x = 20,463.15

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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.