Home / 75,000.90-103,524.28-43,190.98

Finding the Fourth Proportional to 75,000.90, 103,524.28 and 43,190.98

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Solution

The fourth proportional to 75,000.90, 103,524.28 and 43,190.98 is: 59,616.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,000.90 : 103,524.28 = 43,190.98 : x
  2. Step 2: Convert to fraction form
    75,000.90/103,524.28 = 43,190.98/x
  3. Step 3: Cross multiply
    75,000.90x = 103,524.28 × 43,190.98
  4. Step 4: Simplify right side
    75,000.90x = 4,471,315,106.99
  5. Step 5: Solve for x
    x = 4,471,315,106.99/75,000.90
  6. Step 6: Final answer
    x = 59,616.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.