Home / 47,860.02-71,921.19-45,142.66

Finding the Fourth Proportional to 47,860.02, 71,921.19 and 45,142.66

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Solution

The fourth proportional to 47,860.02, 71,921.19 and 45,142.66 is: 67,837.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,860.02 : 71,921.19 = 45,142.66 : x
  2. Step 2: Convert to fraction form
    47,860.02/71,921.19 = 45,142.66/x
  3. Step 3: Cross multiply
    47,860.02x = 71,921.19 × 45,142.66
  4. Step 4: Simplify right side
    47,860.02x = 3,246,713,826.97
  5. Step 5: Solve for x
    x = 3,246,713,826.97/47,860.02
  6. Step 6: Final answer
    x = 67,837.70

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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.