Home / 96,872.24-145,078.72-61,705.28

Finding the Fourth Proportional to 96,872.24, 145,078.72 and 61,705.28

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Solution

The fourth proportional to 96,872.24, 145,078.72 and 61,705.28 is: 92,411.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,872.24 : 145,078.72 = 61,705.28 : x
  2. Step 2: Convert to fraction form
    96,872.24/145,078.72 = 61,705.28/x
  3. Step 3: Cross multiply
    96,872.24x = 145,078.72 × 61,705.28
  4. Step 4: Simplify right side
    96,872.24x = 8,952,123,039.64
  5. Step 5: Solve for x
    x = 8,952,123,039.64/96,872.24
  6. Step 6: Final answer
    x = 92,411.64

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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.