Home / 89,460.70-123,467.43-57,721.93

Finding the Fourth Proportional to 89,460.70, 123,467.43 and 57,721.93

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Solution

The fourth proportional to 89,460.70, 123,467.43 and 57,721.93 is: 79,663.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,460.70 : 123,467.43 = 57,721.93 : x
  2. Step 2: Convert to fraction form
    89,460.70/123,467.43 = 57,721.93/x
  3. Step 3: Cross multiply
    89,460.70x = 123,467.43 × 57,721.93
  4. Step 4: Simplify right side
    89,460.70x = 7,126,778,351.74
  5. Step 5: Solve for x
    x = 7,126,778,351.74/89,460.70
  6. Step 6: Final answer
    x = 79,663.79

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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.