Home / 46,320.78-69,480.67-11,260.47

Finding the Fourth Proportional to 46,320.78, 69,480.67 and 11,260.47

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Solution

The fourth proportional to 46,320.78, 69,480.67 and 11,260.47 is: 16,890.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,320.78 : 69,480.67 = 11,260.47 : x
  2. Step 2: Convert to fraction form
    46,320.78/69,480.67 = 11,260.47/x
  3. Step 3: Cross multiply
    46,320.78x = 69,480.67 × 11,260.47
  4. Step 4: Simplify right side
    46,320.78x = 782,385,000.11
  5. Step 5: Solve for x
    x = 782,385,000.11/46,320.78
  6. Step 6: Final answer
    x = 16,890.58

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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.