Home / 47,992.02-71,983.16-12,935.22

Finding the Fourth Proportional to 47,992.02, 71,983.16 and 12,935.22

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Solution

The fourth proportional to 47,992.02, 71,983.16 and 12,935.22 is: 19,401.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,992.02 : 71,983.16 = 12,935.22 : x
  2. Step 2: Convert to fraction form
    47,992.02/71,983.16 = 12,935.22/x
  3. Step 3: Cross multiply
    47,992.02x = 71,983.16 × 12,935.22
  4. Step 4: Simplify right side
    47,992.02x = 931,118,010.90
  5. Step 5: Solve for x
    x = 931,118,010.90/47,992.02
  6. Step 6: Final answer
    x = 19,401.52

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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.