Home / 89,784.75-123,914.18-51,556.26

Finding the Fourth Proportional to 89,784.75, 123,914.18 and 51,556.26

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Solution

The fourth proportional to 89,784.75, 123,914.18 and 51,556.26 is: 71,154.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,784.75 : 123,914.18 = 51,556.26 : x
  2. Step 2: Convert to fraction form
    89,784.75/123,914.18 = 51,556.26/x
  3. Step 3: Cross multiply
    89,784.75x = 123,914.18 × 51,556.26
  4. Step 4: Simplify right side
    89,784.75x = 6,388,551,423.99
  5. Step 5: Solve for x
    x = 6,388,551,423.99/89,784.75
  6. Step 6: Final answer
    x = 71,154.08

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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.