Home / 76,031.90-114,037.05-26,114.30

Finding the Fourth Proportional to 76,031.90, 114,037.05 and 26,114.30

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Solution

The fourth proportional to 76,031.90, 114,037.05 and 26,114.30 is: 39,167.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,031.90 : 114,037.05 = 26,114.30 : x
  2. Step 2: Convert to fraction form
    76,031.90/114,037.05 = 26,114.30/x
  3. Step 3: Cross multiply
    76,031.90x = 114,037.05 × 26,114.30
  4. Step 4: Simplify right side
    76,031.90x = 2,977,997,734.82
  5. Step 5: Solve for x
    x = 2,977,997,734.82/76,031.90
  6. Step 6: Final answer
    x = 39,167.74

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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.