Home / 74,973.66-103,463.64-40,982.28

Finding the Fourth Proportional to 74,973.66, 103,463.64 and 40,982.28

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Solution

The fourth proportional to 74,973.66, 103,463.64 and 40,982.28 is: 56,555.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,973.66 : 103,463.64 = 40,982.28 : x
  2. Step 2: Convert to fraction form
    74,973.66/103,463.64 = 40,982.28/x
  3. Step 3: Cross multiply
    74,973.66x = 103,463.64 × 40,982.28
  4. Step 4: Simplify right side
    74,973.66x = 4,240,175,710.62
  5. Step 5: Solve for x
    x = 4,240,175,710.62/74,973.66
  6. Step 6: Final answer
    x = 56,555.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.