Home / 109,516.70-151,134.47-63,587.11

Finding the Fourth Proportional to 109,516.70, 151,134.47 and 63,587.11

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Solution

The fourth proportional to 109,516.70, 151,134.47 and 63,587.11 is: 87,751.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,516.70 : 151,134.47 = 63,587.11 : x
  2. Step 2: Convert to fraction form
    109,516.70/151,134.47 = 63,587.11/x
  3. Step 3: Cross multiply
    109,516.70x = 151,134.47 × 63,587.11
  4. Step 4: Simplify right side
    109,516.70x = 9,610,204,168.68
  5. Step 5: Solve for x
    x = 9,610,204,168.68/109,516.70
  6. Step 6: Final answer
    x = 87,751.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.