Home / 73,002.03-109,503.95-28,649.67

Finding the Fourth Proportional to 73,002.03, 109,503.95 and 28,649.67

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Solution

The fourth proportional to 73,002.03, 109,503.95 and 28,649.67 is: 42,974.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,002.03 : 109,503.95 = 28,649.67 : x
  2. Step 2: Convert to fraction form
    73,002.03/109,503.95 = 28,649.67/x
  3. Step 3: Cross multiply
    73,002.03x = 109,503.95 × 28,649.67
  4. Step 4: Simplify right side
    73,002.03x = 3,137,251,887.95
  5. Step 5: Solve for x
    x = 3,137,251,887.95/73,002.03
  6. Step 6: Final answer
    x = 42,974.86

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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.