Home / 98,110.20-135,392.34-55,668.62

Finding the Fourth Proportional to 98,110.20, 135,392.34 and 55,668.62

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Solution

The fourth proportional to 98,110.20, 135,392.34 and 55,668.62 is: 76,822.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,110.20 : 135,392.34 = 55,668.62 : x
  2. Step 2: Convert to fraction form
    98,110.20/135,392.34 = 55,668.62/x
  3. Step 3: Cross multiply
    98,110.20x = 135,392.34 × 55,668.62
  4. Step 4: Simplify right side
    98,110.20x = 7,537,104,726.37
  5. Step 5: Solve for x
    x = 7,537,104,726.37/98,110.20
  6. Step 6: Final answer
    x = 76,822.85

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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.