Home / 104,976.70-157,465.05-71,296.90

Finding the Fourth Proportional to 104,976.70, 157,465.05 and 71,296.90

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Solution

The fourth proportional to 104,976.70, 157,465.05 and 71,296.90 is: 106,945.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976.70 : 157,465.05 = 71,296.90 : x
  2. Step 2: Convert to fraction form
    104,976.70/157,465.05 = 71,296.90/x
  3. Step 3: Cross multiply
    104,976.70x = 157,465.05 × 71,296.90
  4. Step 4: Simplify right side
    104,976.70x = 11,226,769,923.35
  5. Step 5: Solve for x
    x = 11,226,769,923.35/104,976.70
  6. Step 6: Final answer
    x = 106,945.35

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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.