Home / 77,029.08-115,520.10-32,655

Finding the Fourth Proportional to 77,029.08, 115,520.10 and 32,655

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Solution

The fourth proportional to 77,029.08, 115,520.10 and 32,655 is: 48,972.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,029.08 : 115,520.10 = 32,655 : x
  2. Step 2: Convert to fraction form
    77,029.08/115,520.10 = 32,655/x
  3. Step 3: Cross multiply
    77,029.08x = 115,520.10 × 32,655
  4. Step 4: Simplify right side
    77,029.08x = 3,772,308,865.50
  5. Step 5: Solve for x
    x = 3,772,308,865.50/77,029.08
  6. Step 6: Final answer
    x = 48,972.53

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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.