Home / 127,911.70-191,758.14-49,082.50

Finding the Fourth Proportional to 127,911.70, 191,758.14 and 49,082.50

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Solution

The fourth proportional to 127,911.70, 191,758.14 and 49,082.50 is: 73,581.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,911.70 : 191,758.14 = 49,082.50 : x
  2. Step 2: Convert to fraction form
    127,911.70/191,758.14 = 49,082.50/x
  3. Step 3: Cross multiply
    127,911.70x = 191,758.14 × 49,082.50
  4. Step 4: Simplify right side
    127,911.70x = 9,411,968,906.55
  5. Step 5: Solve for x
    x = 9,411,968,906.55/127,911.70
  6. Step 6: Final answer
    x = 73,581.77

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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.