Home / 92,135.44-137,981.68-52,572.60

Finding the Fourth Proportional to 92,135.44, 137,981.68 and 52,572.60

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Solution

The fourth proportional to 92,135.44, 137,981.68 and 52,572.60 is: 78,732.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,135.44 : 137,981.68 = 52,572.60 : x
  2. Step 2: Convert to fraction form
    92,135.44/137,981.68 = 52,572.60/x
  3. Step 3: Cross multiply
    92,135.44x = 137,981.68 × 52,572.60
  4. Step 4: Simplify right side
    92,135.44x = 7,254,055,669.97
  5. Step 5: Solve for x
    x = 7,254,055,669.97/92,135.44
  6. Step 6: Final answer
    x = 78,732.52

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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.