Home / 49,411.20-74,007.45-40,663.20

Finding the Fourth Proportional to 49,411.20, 74,007.45 and 40,663.20

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Solution

The fourth proportional to 49,411.20, 74,007.45 and 40,663.20 is: 60,904.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,411.20 : 74,007.45 = 40,663.20 : x
  2. Step 2: Convert to fraction form
    49,411.20/74,007.45 = 40,663.20/x
  3. Step 3: Cross multiply
    49,411.20x = 74,007.45 × 40,663.20
  4. Step 4: Simplify right side
    49,411.20x = 3,009,379,740.84
  5. Step 5: Solve for x
    x = 3,009,379,740.84/49,411.20
  6. Step 6: Final answer
    x = 60,904.81

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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.