Home / 89,825.15-134,744.55-52,388.94

Finding the Fourth Proportional to 89,825.15, 134,744.55 and 52,388.94

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Solution

The fourth proportional to 89,825.15, 134,744.55 and 52,388.94 is: 78,587.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,825.15 : 134,744.55 = 52,388.94 : x
  2. Step 2: Convert to fraction form
    89,825.15/134,744.55 = 52,388.94/x
  3. Step 3: Cross multiply
    89,825.15x = 134,744.55 × 52,388.94
  4. Step 4: Simplify right side
    89,825.15x = 7,059,124,454.11
  5. Step 5: Solve for x
    x = 7,059,124,454.11/89,825.15
  6. Step 6: Final answer
    x = 78,587.39

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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.