Home / 89,519.25-123,536.70-51,795.93

Finding the Fourth Proportional to 89,519.25, 123,536.70 and 51,795.93

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Solution

The fourth proportional to 89,519.25, 123,536.70 and 51,795.93 is: 71,478.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,519.25 : 123,536.70 = 51,795.93 : x
  2. Step 2: Convert to fraction form
    89,519.25/123,536.70 = 51,795.93/x
  3. Step 3: Cross multiply
    89,519.25x = 123,536.70 × 51,795.93
  4. Step 4: Simplify right side
    89,519.25x = 6,398,698,265.63
  5. Step 5: Solve for x
    x = 6,398,698,265.63/89,519.25
  6. Step 6: Final answer
    x = 71,478.46

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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.