Home / 89,693.64-123,647.94-62,752.68

Finding the Fourth Proportional to 89,693.64, 123,647.94 and 62,752.68

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Solution

The fourth proportional to 89,693.64, 123,647.94 and 62,752.68 is: 86,508.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,693.64 : 123,647.94 = 62,752.68 : x
  2. Step 2: Convert to fraction form
    89,693.64/123,647.94 = 62,752.68/x
  3. Step 3: Cross multiply
    89,693.64x = 123,647.94 × 62,752.68
  4. Step 4: Simplify right side
    89,693.64x = 7,759,239,611.48
  5. Step 5: Solve for x
    x = 7,759,239,611.48/89,693.64
  6. Step 6: Final answer
    x = 86,508.25

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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.