Home / 92,109.06-138,163.59-25,549.20

Finding the Fourth Proportional to 92,109.06, 138,163.59 and 25,549.20

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Solution

The fourth proportional to 92,109.06, 138,163.59 and 25,549.20 is: 38,323.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,109.06 : 138,163.59 = 25,549.20 : x
  2. Step 2: Convert to fraction form
    92,109.06/138,163.59 = 25,549.20/x
  3. Step 3: Cross multiply
    92,109.06x = 138,163.59 × 25,549.20
  4. Step 4: Simplify right side
    92,109.06x = 3,529,969,193.63
  5. Step 5: Solve for x
    x = 3,529,969,193.63/92,109.06
  6. Step 6: Final answer
    x = 38,323.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.