Home / 49,776.40-74,448.60-44,549.20

Finding the Fourth Proportional to 49,776.40, 74,448.60 and 44,549.20

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Solution

The fourth proportional to 49,776.40, 74,448.60 and 44,549.20 is: 66,630.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,776.40 : 74,448.60 = 44,549.20 : x
  2. Step 2: Convert to fraction form
    49,776.40/74,448.60 = 44,549.20/x
  3. Step 3: Cross multiply
    49,776.40x = 74,448.60 × 44,549.20
  4. Step 4: Simplify right side
    49,776.40x = 3,316,625,571.12
  5. Step 5: Solve for x
    x = 3,316,625,571.12/49,776.40
  6. Step 6: Final answer
    x = 66,630.48

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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.