Home / 89,533.76-134,356.22-52,110.54

Finding the Fourth Proportional to 89,533.76, 134,356.22 and 52,110.54

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Solution

The fourth proportional to 89,533.76, 134,356.22 and 52,110.54 is: 78,198.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,533.76 : 134,356.22 = 52,110.54 : x
  2. Step 2: Convert to fraction form
    89,533.76/134,356.22 = 52,110.54/x
  3. Step 3: Cross multiply
    89,533.76x = 134,356.22 × 52,110.54
  4. Step 4: Simplify right side
    89,533.76x = 7,001,375,111.42
  5. Step 5: Solve for x
    x = 7,001,375,111.42/89,533.76
  6. Step 6: Final answer
    x = 78,198.16

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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.