Home / 66,609.28-91,764.40-46,429.44

Finding the Fourth Proportional to 66,609.28, 91,764.40 and 46,429.44

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Solution

The fourth proportional to 66,609.28, 91,764.40 and 46,429.44 is: 63,963.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,609.28 : 91,764.40 = 46,429.44 : x
  2. Step 2: Convert to fraction form
    66,609.28/91,764.40 = 46,429.44/x
  3. Step 3: Cross multiply
    66,609.28x = 91,764.40 × 46,429.44
  4. Step 4: Simplify right side
    66,609.28x = 4,260,569,703.94
  5. Step 5: Solve for x
    x = 4,260,569,703.94/66,609.28
  6. Step 6: Final answer
    x = 63,963.61

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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.