Home / 61,900.21-85,423.23-33,605.90

Finding the Fourth Proportional to 61,900.21, 85,423.23 and 33,605.90

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Solution

The fourth proportional to 61,900.21, 85,423.23 and 33,605.90 is: 46,376.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,900.21 : 85,423.23 = 33,605.90 : x
  2. Step 2: Convert to fraction form
    61,900.21/85,423.23 = 33,605.90/x
  3. Step 3: Cross multiply
    61,900.21x = 85,423.23 × 33,605.90
  4. Step 4: Simplify right side
    61,900.21x = 2,870,723,929.91
  5. Step 5: Solve for x
    x = 2,870,723,929.91/61,900.21
  6. Step 6: Final answer
    x = 46,376.65

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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.