Home / 42,771.64-64,165.50-16,474.12

Finding the Fourth Proportional to 42,771.64, 64,165.50 and 16,474.12

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Solution

The fourth proportional to 42,771.64, 64,165.50 and 16,474.12 is: 24,714.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,771.64 : 64,165.50 = 16,474.12 : x
  2. Step 2: Convert to fraction form
    42,771.64/64,165.50 = 16,474.12/x
  3. Step 3: Cross multiply
    42,771.64x = 64,165.50 × 16,474.12
  4. Step 4: Simplify right side
    42,771.64x = 1,057,070,146.86
  5. Step 5: Solve for x
    x = 1,057,070,146.86/42,771.64
  6. Step 6: Final answer
    x = 24,714.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.