Home / 89,071.68-122,918.97-48,788

Finding the Fourth Proportional to 89,071.68, 122,918.97 and 48,788

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Solution

The fourth proportional to 89,071.68, 122,918.97 and 48,788 is: 67,327.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,071.68 : 122,918.97 = 48,788 : x
  2. Step 2: Convert to fraction form
    89,071.68/122,918.97 = 48,788/x
  3. Step 3: Cross multiply
    89,071.68x = 122,918.97 × 48,788
  4. Step 4: Simplify right side
    89,071.68x = 5,996,970,708.36
  5. Step 5: Solve for x
    x = 5,996,970,708.36/89,071.68
  6. Step 6: Final answer
    x = 67,327.47

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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.