Home / 76,031.20-114,049.16-26,110.64

Finding the Fourth Proportional to 76,031.20, 114,049.16 and 26,110.64

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Solution

The fourth proportional to 76,031.20, 114,049.16 and 26,110.64 is: 39,166.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,031.20 : 114,049.16 = 26,110.64 : x
  2. Step 2: Convert to fraction form
    76,031.20/114,049.16 = 26,110.64/x
  3. Step 3: Cross multiply
    76,031.20x = 114,049.16 × 26,110.64
  4. Step 4: Simplify right side
    76,031.20x = 2,977,896,559.06
  5. Step 5: Solve for x
    x = 2,977,896,559.06/76,031.20
  6. Step 6: Final answer
    x = 39,166.77

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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.