Home / 66,776.40-99,967.77-49,324.14

Finding the Fourth Proportional to 66,776.40, 99,967.77 and 49,324.14

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Solution

The fourth proportional to 66,776.40, 99,967.77 and 49,324.14 is: 73,840.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,776.40 : 99,967.77 = 49,324.14 : x
  2. Step 2: Convert to fraction form
    66,776.40/99,967.77 = 49,324.14/x
  3. Step 3: Cross multiply
    66,776.40x = 99,967.77 × 49,324.14
  4. Step 4: Simplify right side
    66,776.40x = 4,930,824,282.97
  5. Step 5: Solve for x
    x = 4,930,824,282.97/66,776.40
  6. Step 6: Final answer
    x = 73,840.82

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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.