Home / 92,425.40-138,637.65-36,225.80

Finding the Fourth Proportional to 92,425.40, 138,637.65 and 36,225.80

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Solution

The fourth proportional to 92,425.40, 138,637.65 and 36,225.80 is: 54,338.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,425.40 : 138,637.65 = 36,225.80 : x
  2. Step 2: Convert to fraction form
    92,425.40/138,637.65 = 36,225.80/x
  3. Step 3: Cross multiply
    92,425.40x = 138,637.65 × 36,225.80
  4. Step 4: Simplify right side
    92,425.40x = 5,022,259,781.37
  5. Step 5: Solve for x
    x = 5,022,259,781.37/92,425.40
  6. Step 6: Final answer
    x = 54,338.52

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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.