Home / 118,476.71-177,715.05-47,431.33

Finding the Fourth Proportional to 118,476.71, 177,715.05 and 47,431.33

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Solution

The fourth proportional to 118,476.71, 177,715.05 and 47,431.33 is: 71,146.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,476.71 : 177,715.05 = 47,431.33 : x
  2. Step 2: Convert to fraction form
    118,476.71/177,715.05 = 47,431.33/x
  3. Step 3: Cross multiply
    118,476.71x = 177,715.05 × 47,431.33
  4. Step 4: Simplify right side
    118,476.71x = 8,429,261,182.52
  5. Step 5: Solve for x
    x = 8,429,261,182.52/118,476.71
  6. Step 6: Final answer
    x = 71,146.99

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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.