Home / 89,026.56-122,855.04-51,297.28

Finding the Fourth Proportional to 89,026.56, 122,855.04 and 51,297.28

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Solution

The fourth proportional to 89,026.56, 122,855.04 and 51,297.28 is: 70,789.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,026.56 : 122,855.04 = 51,297.28 : x
  2. Step 2: Convert to fraction form
    89,026.56/122,855.04 = 51,297.28/x
  3. Step 3: Cross multiply
    89,026.56x = 122,855.04 × 51,297.28
  4. Step 4: Simplify right side
    89,026.56x = 6,302,129,386.29
  5. Step 5: Solve for x
    x = 6,302,129,386.29/89,026.56
  6. Step 6: Final answer
    x = 70,789.32

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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.