Home / 98,039.62-135,286.77-55,602.10

Finding the Fourth Proportional to 98,039.62, 135,286.77 and 55,602.10

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Solution

The fourth proportional to 98,039.62, 135,286.77 and 55,602.10 is: 76,726.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,039.62 : 135,286.77 = 55,602.10 : x
  2. Step 2: Convert to fraction form
    98,039.62/135,286.77 = 55,602.10/x
  3. Step 3: Cross multiply
    98,039.62x = 135,286.77 × 55,602.10
  4. Step 4: Simplify right side
    98,039.62x = 7,522,228,514.22
  5. Step 5: Solve for x
    x = 7,522,228,514.22/98,039.62
  6. Step 6: Final answer
    x = 76,726.41

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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.