Home / 48,721.42-73,073.88-13,653.02

Finding the Fourth Proportional to 48,721.42, 73,073.88 and 13,653.02

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Solution

The fourth proportional to 48,721.42, 73,073.88 and 13,653.02 is: 20,477.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,721.42 : 73,073.88 = 13,653.02 : x
  2. Step 2: Convert to fraction form
    48,721.42/73,073.88 = 13,653.02/x
  3. Step 3: Cross multiply
    48,721.42x = 73,073.88 × 13,653.02
  4. Step 4: Simplify right side
    48,721.42x = 997,679,145.12
  5. Step 5: Solve for x
    x = 997,679,145.12/48,721.42
  6. Step 6: Final answer
    x = 20,477.22

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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.