Home / 118,419.10-177,729.45-48,348.70

Finding the Fourth Proportional to 118,419.10, 177,729.45 and 48,348.70

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Solution

The fourth proportional to 118,419.10, 177,729.45 and 48,348.70 is: 72,564.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,419.10 : 177,729.45 = 48,348.70 : x
  2. Step 2: Convert to fraction form
    118,419.10/177,729.45 = 48,348.70/x
  3. Step 3: Cross multiply
    118,419.10x = 177,729.45 × 48,348.70
  4. Step 4: Simplify right side
    118,419.10x = 8,592,987,859.22
  5. Step 5: Solve for x
    x = 8,592,987,859.22/118,419.10
  6. Step 6: Final answer
    x = 72,564.21

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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.