Home / 92,425.60-138,638.37-36,292.12

Finding the Fourth Proportional to 92,425.60, 138,638.37 and 36,292.12

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Solution

The fourth proportional to 92,425.60, 138,638.37 and 36,292.12 is: 54,438.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,425.60 : 138,638.37 = 36,292.12 : x
  2. Step 2: Convert to fraction form
    92,425.60/138,638.37 = 36,292.12/x
  3. Step 3: Cross multiply
    92,425.60x = 138,638.37 × 36,292.12
  4. Step 4: Simplify right side
    92,425.60x = 5,031,480,179.18
  5. Step 5: Solve for x
    x = 5,031,480,179.18/92,425.60
  6. Step 6: Final answer
    x = 54,438.17

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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.