Home / 118,097.40-177,167.70-47,983.80

Finding the Fourth Proportional to 118,097.40, 177,167.70 and 47,983.80

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Solution

The fourth proportional to 118,097.40, 177,167.70 and 47,983.80 is: 71,984.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,097.40 : 177,167.70 = 47,983.80 : x
  2. Step 2: Convert to fraction form
    118,097.40/177,167.70 = 47,983.80/x
  3. Step 3: Cross multiply
    118,097.40x = 177,167.70 × 47,983.80
  4. Step 4: Simplify right side
    118,097.40x = 8,501,179,483.26
  5. Step 5: Solve for x
    x = 8,501,179,483.26/118,097.40
  6. Step 6: Final answer
    x = 71,984.48

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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.