Home / 55,064.13-82,622.66-30,103.17

Finding the Fourth Proportional to 55,064.13, 82,622.66 and 30,103.17

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Solution

The fourth proportional to 55,064.13, 82,622.66 and 30,103.17 is: 45,169.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,064.13 : 82,622.66 = 30,103.17 : x
  2. Step 2: Convert to fraction form
    55,064.13/82,622.66 = 30,103.17/x
  3. Step 3: Cross multiply
    55,064.13x = 82,622.66 × 30,103.17
  4. Step 4: Simplify right side
    55,064.13x = 2,487,203,829.32
  5. Step 5: Solve for x
    x = 2,487,203,829.32/55,064.13
  6. Step 6: Final answer
    x = 45,169.22

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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.