Home / 89,966.52-134,666.84-61,721.44

Finding the Fourth Proportional to 89,966.52, 134,666.84 and 61,721.44

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Solution

The fourth proportional to 89,966.52, 134,666.84 and 61,721.44 is: 92,388.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,966.52 : 134,666.84 = 61,721.44 : x
  2. Step 2: Convert to fraction form
    89,966.52/134,666.84 = 61,721.44/x
  3. Step 3: Cross multiply
    89,966.52x = 134,666.84 × 61,721.44
  4. Step 4: Simplify right side
    89,966.52x = 8,311,831,285.05
  5. Step 5: Solve for x
    x = 8,311,831,285.05/89,966.52
  6. Step 6: Final answer
    x = 92,388.05

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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.