Home / 118,031.06-177,098.89-61,857.80

Finding the Fourth Proportional to 118,031.06, 177,098.89 and 61,857.80

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Solution

The fourth proportional to 118,031.06, 177,098.89 and 61,857.80 is: 92,814.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,031.06 : 177,098.89 = 61,857.80 : x
  2. Step 2: Convert to fraction form
    118,031.06/177,098.89 = 61,857.80/x
  3. Step 3: Cross multiply
    118,031.06x = 177,098.89 × 61,857.80
  4. Step 4: Simplify right side
    118,031.06x = 10,954,947,717.84
  5. Step 5: Solve for x
    x = 10,954,947,717.84/118,031.06
  6. Step 6: Final answer
    x = 92,814.11

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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.