Home / 76,031.40-114,014.48-26,116.52

Finding the Fourth Proportional to 76,031.40, 114,014.48 and 26,116.52

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Solution

The fourth proportional to 76,031.40, 114,014.48 and 26,116.52 is: 39,163.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,031.40 : 114,014.48 = 26,116.52 : x
  2. Step 2: Convert to fraction form
    76,031.40/114,014.48 = 26,116.52/x
  3. Step 3: Cross multiply
    76,031.40x = 114,014.48 × 26,116.52
  4. Step 4: Simplify right side
    76,031.40x = 2,977,661,447.21
  5. Step 5: Solve for x
    x = 2,977,661,447.21/76,031.40
  6. Step 6: Final answer
    x = 39,163.58

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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.