Home / 52,120.83-78,181.11-36,607.71

Finding the Fourth Proportional to 52,120.83, 78,181.11 and 36,607.71

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Solution

The fourth proportional to 52,120.83, 78,181.11 and 36,607.71 is: 54,911.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,120.83 : 78,181.11 = 36,607.71 : x
  2. Step 2: Convert to fraction form
    52,120.83/78,181.11 = 36,607.71/x
  3. Step 3: Cross multiply
    52,120.83x = 78,181.11 × 36,607.71
  4. Step 4: Simplify right side
    52,120.83x = 2,862,031,402.36
  5. Step 5: Solve for x
    x = 2,862,031,402.36/52,120.83
  6. Step 6: Final answer
    x = 54,911.47

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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.