Home / 57,181.98-78,911.13-32,031.42

Finding the Fourth Proportional to 57,181.98, 78,911.13 and 32,031.42

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Solution

The fourth proportional to 57,181.98, 78,911.13 and 32,031.42 is: 44,203.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,181.98 : 78,911.13 = 32,031.42 : x
  2. Step 2: Convert to fraction form
    57,181.98/78,911.13 = 32,031.42/x
  3. Step 3: Cross multiply
    57,181.98x = 78,911.13 × 32,031.42
  4. Step 4: Simplify right side
    57,181.98x = 2,527,635,547.70
  5. Step 5: Solve for x
    x = 2,527,635,547.70/57,181.98
  6. Step 6: Final answer
    x = 44,203.36

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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.