Home / 45,225.18-67,815-26,509.68

Finding the Fourth Proportional to 45,225.18, 67,815 and 26,509.68

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Solution

The fourth proportional to 45,225.18, 67,815 and 26,509.68 is: 39,751.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,225.18 : 67,815 = 26,509.68 : x
  2. Step 2: Convert to fraction form
    45,225.18/67,815 = 26,509.68/x
  3. Step 3: Cross multiply
    45,225.18x = 67,815 × 26,509.68
  4. Step 4: Simplify right side
    45,225.18x = 1,797,753,949.20
  5. Step 5: Solve for x
    x = 1,797,753,949.20/45,225.18
  6. Step 6: Final answer
    x = 39,751.17

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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.