Home / 49,385.90-74,046.32-28,039.16

Finding the Fourth Proportional to 49,385.90, 74,046.32 and 28,039.16

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Solution

The fourth proportional to 49,385.90, 74,046.32 and 28,039.16 is: 42,040.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,385.90 : 74,046.32 = 28,039.16 : x
  2. Step 2: Convert to fraction form
    49,385.90/74,046.32 = 28,039.16/x
  3. Step 3: Cross multiply
    49,385.90x = 74,046.32 × 28,039.16
  4. Step 4: Simplify right side
    49,385.90x = 2,076,196,473.70
  5. Step 5: Solve for x
    x = 2,076,196,473.70/49,385.90
  6. Step 6: Final answer
    x = 42,040.27

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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.