Home / 43,156.66-64,714.11-25,621.78

Finding the Fourth Proportional to 43,156.66, 64,714.11 and 25,621.78

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Solution

The fourth proportional to 43,156.66, 64,714.11 and 25,621.78 is: 38,420.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,156.66 : 64,714.11 = 25,621.78 : x
  2. Step 2: Convert to fraction form
    43,156.66/64,714.11 = 25,621.78/x
  3. Step 3: Cross multiply
    43,156.66x = 64,714.11 × 25,621.78
  4. Step 4: Simplify right side
    43,156.66x = 1,658,090,689.32
  5. Step 5: Solve for x
    x = 1,658,090,689.32/43,156.66
  6. Step 6: Final answer
    x = 38,420.27

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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.