Home / 103,003.40-154,466.18-47,560.52

Finding the Fourth Proportional to 103,003.40, 154,466.18 and 47,560.52

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Solution

The fourth proportional to 103,003.40, 154,466.18 and 47,560.52 is: 71,322.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,003.40 : 154,466.18 = 47,560.52 : x
  2. Step 2: Convert to fraction form
    103,003.40/154,466.18 = 47,560.52/x
  3. Step 3: Cross multiply
    103,003.40x = 154,466.18 × 47,560.52
  4. Step 4: Simplify right side
    103,003.40x = 7,346,491,843.21
  5. Step 5: Solve for x
    x = 7,346,491,843.21/103,003.40
  6. Step 6: Final answer
    x = 71,322.81

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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.