Home / 89,953.12-124,133.52-49,670.88

Finding the Fourth Proportional to 89,953.12, 124,133.52 and 49,670.88

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Solution

The fourth proportional to 89,953.12, 124,133.52 and 49,670.88 is: 68,544.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,953.12 : 124,133.52 = 49,670.88 : x
  2. Step 2: Convert to fraction form
    89,953.12/124,133.52 = 49,670.88/x
  3. Step 3: Cross multiply
    89,953.12x = 124,133.52 × 49,670.88
  4. Step 4: Simplify right side
    89,953.12x = 6,165,821,175.90
  5. Step 5: Solve for x
    x = 6,165,821,175.90/89,953.12
  6. Step 6: Final answer
    x = 68,544.83

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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.