Home / 74,248.38-102,467.43-40,714.38

Finding the Fourth Proportional to 74,248.38, 102,467.43 and 40,714.38

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Solution

The fourth proportional to 74,248.38, 102,467.43 and 40,714.38 is: 56,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,248.38 : 102,467.43 = 40,714.38 : x
  2. Step 2: Convert to fraction form
    74,248.38/102,467.43 = 40,714.38/x
  3. Step 3: Cross multiply
    74,248.38x = 102,467.43 × 40,714.38
  4. Step 4: Simplify right side
    74,248.38x = 4,171,897,882.64
  5. Step 5: Solve for x
    x = 4,171,897,882.64/74,248.38
  6. Step 6: Final answer
    x = 56,188.40

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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.