Home / 118,021.39-177,105.89-47,900.70

Finding the Fourth Proportional to 118,021.39, 177,105.89 and 47,900.70

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Solution

The fourth proportional to 118,021.39, 177,105.89 and 47,900.70 is: 71,881.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,021.39 : 177,105.89 = 47,900.70 : x
  2. Step 2: Convert to fraction form
    118,021.39/177,105.89 = 47,900.70/x
  3. Step 3: Cross multiply
    118,021.39x = 177,105.89 × 47,900.70
  4. Step 4: Simplify right side
    118,021.39x = 8,483,496,224.87
  5. Step 5: Solve for x
    x = 8,483,496,224.87/118,021.39
  6. Step 6: Final answer
    x = 71,881.01

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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.