Home / 109,618.20-164,401.38-47,254.68

Finding the Fourth Proportional to 109,618.20, 164,401.38 and 47,254.68

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Solution

The fourth proportional to 109,618.20, 164,401.38 and 47,254.68 is: 70,870.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,618.20 : 164,401.38 = 47,254.68 : x
  2. Step 2: Convert to fraction form
    109,618.20/164,401.38 = 47,254.68/x
  3. Step 3: Cross multiply
    109,618.20x = 164,401.38 × 47,254.68
  4. Step 4: Simplify right side
    109,618.20x = 7,768,734,603.46
  5. Step 5: Solve for x
    x = 7,768,734,603.46/109,618.20
  6. Step 6: Final answer
    x = 70,870.85

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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.