Home / 89,986.76-124,175.44-49,700.16

Finding the Fourth Proportional to 89,986.76, 124,175.44 and 49,700.16

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Solution

The fourth proportional to 89,986.76, 124,175.44 and 49,700.16 is: 68,582.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,986.76 : 124,175.44 = 49,700.16 : x
  2. Step 2: Convert to fraction form
    89,986.76/124,175.44 = 49,700.16/x
  3. Step 3: Cross multiply
    89,986.76x = 124,175.44 × 49,700.16
  4. Step 4: Simplify right side
    89,986.76x = 6,171,539,236.07
  5. Step 5: Solve for x
    x = 6,171,539,236.07/89,986.76
  6. Step 6: Final answer
    x = 68,582.75

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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.