Home / 74,464.76-102,762.41-40,473.24

Finding the Fourth Proportional to 74,464.76, 102,762.41 and 40,473.24

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Solution

The fourth proportional to 74,464.76, 102,762.41 and 40,473.24 is: 55,853.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,464.76 : 102,762.41 = 40,473.24 : x
  2. Step 2: Convert to fraction form
    74,464.76/102,762.41 = 40,473.24/x
  3. Step 3: Cross multiply
    74,464.76x = 102,762.41 × 40,473.24
  4. Step 4: Simplify right side
    74,464.76x = 4,159,127,169.10
  5. Step 5: Solve for x
    x = 4,159,127,169.10/74,464.76
  6. Step 6: Final answer
    x = 55,853.63

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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.