Home / 89,556.90-123,618.86-55,585.27

Finding the Fourth Proportional to 89,556.90, 123,618.86 and 55,585.27

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Solution

The fourth proportional to 89,556.90, 123,618.86 and 55,585.27 is: 76,726.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,556.90 : 123,618.86 = 55,585.27 : x
  2. Step 2: Convert to fraction form
    89,556.90/123,618.86 = 55,585.27/x
  3. Step 3: Cross multiply
    89,556.90x = 123,618.86 × 55,585.27
  4. Step 4: Simplify right side
    89,556.90x = 6,871,387,540.11
  5. Step 5: Solve for x
    x = 6,871,387,540.11/89,556.90
  6. Step 6: Final answer
    x = 76,726.50

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1.5x scale

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.