Home / 66,578.28-99,760.98-46,625.40

Finding the Fourth Proportional to 66,578.28, 99,760.98 and 46,625.40

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Solution

The fourth proportional to 66,578.28, 99,760.98 and 46,625.40 is: 69,863.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,578.28 : 99,760.98 = 46,625.40 : x
  2. Step 2: Convert to fraction form
    66,578.28/99,760.98 = 46,625.40/x
  3. Step 3: Cross multiply
    66,578.28x = 99,760.98 × 46,625.40
  4. Step 4: Simplify right side
    66,578.28x = 4,651,395,596.89
  5. Step 5: Solve for x
    x = 4,651,395,596.89/66,578.28
  6. Step 6: Final answer
    x = 69,863.56

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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.