Home / 109,678.72-164,516.48-26,572.16

Finding the Fourth Proportional to 109,678.72, 164,516.48 and 26,572.16

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Solution

The fourth proportional to 109,678.72, 164,516.48 and 26,572.16 is: 39,857.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,678.72 : 164,516.48 = 26,572.16 : x
  2. Step 2: Convert to fraction form
    109,678.72/164,516.48 = 26,572.16/x
  3. Step 3: Cross multiply
    109,678.72x = 164,516.48 × 26,572.16
  4. Step 4: Simplify right side
    109,678.72x = 4,371,558,229.20
  5. Step 5: Solve for x
    x = 4,371,558,229.20/109,678.72
  6. Step 6: Final answer
    x = 39,857.85

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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.