Home / 109,627.20-164,440.80-47,297.70

Finding the Fourth Proportional to 109,627.20, 164,440.80 and 47,297.70

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Solution

The fourth proportional to 109,627.20, 164,440.80 and 47,297.70 is: 70,946.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,627.20 : 164,440.80 = 47,297.70 : x
  2. Step 2: Convert to fraction form
    109,627.20/164,440.80 = 47,297.70/x
  3. Step 3: Cross multiply
    109,627.20x = 164,440.80 × 47,297.70
  4. Step 4: Simplify right side
    109,627.20x = 7,777,671,626.16
  5. Step 5: Solve for x
    x = 7,777,671,626.16/109,627.20
  6. Step 6: Final answer
    x = 70,946.55

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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.