Home / 74,542.24-102,870.17-40,552.64

Finding the Fourth Proportional to 74,542.24, 102,870.17 and 40,552.64

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Solution

The fourth proportional to 74,542.24, 102,870.17 and 40,552.64 is: 55,963.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,542.24 : 102,870.17 = 40,552.64 : x
  2. Step 2: Convert to fraction form
    74,542.24/102,870.17 = 40,552.64/x
  3. Step 3: Cross multiply
    74,542.24x = 102,870.17 × 40,552.64
  4. Step 4: Simplify right side
    74,542.24x = 4,171,656,970.75
  5. Step 5: Solve for x
    x = 4,171,656,970.75/74,542.24
  6. Step 6: Final answer
    x = 55,963.67

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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.