Home / 74,168.52-102,351.90-40,176.24

Finding the Fourth Proportional to 74,168.52, 102,351.90 and 40,176.24

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Solution

The fourth proportional to 74,168.52, 102,351.90 and 40,176.24 is: 55,442.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,168.52 : 102,351.90 = 40,176.24 : x
  2. Step 2: Convert to fraction form
    74,168.52/102,351.90 = 40,176.24/x
  3. Step 3: Cross multiply
    74,168.52x = 102,351.90 × 40,176.24
  4. Step 4: Simplify right side
    74,168.52x = 4,112,114,498.86
  5. Step 5: Solve for x
    x = 4,112,114,498.86/74,168.52
  6. Step 6: Final answer
    x = 55,442.85

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1.5x scale

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.