Home / 89,874.36-124,120.62-56,358.84

Finding the Fourth Proportional to 89,874.36, 124,120.62 and 56,358.84

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Solution

The fourth proportional to 89,874.36, 124,120.62 and 56,358.84 is: 77,834.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,874.36 : 124,120.62 = 56,358.84 : x
  2. Step 2: Convert to fraction form
    89,874.36/124,120.62 = 56,358.84/x
  3. Step 3: Cross multiply
    89,874.36x = 124,120.62 × 56,358.84
  4. Step 4: Simplify right side
    89,874.36x = 6,995,294,163.28
  5. Step 5: Solve for x
    x = 6,995,294,163.28/89,874.36
  6. Step 6: Final answer
    x = 77,834.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.