Home / 47,656.85-71,395.02-31,814.10

Finding the Fourth Proportional to 47,656.85, 71,395.02 and 31,814.10

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Solution

The fourth proportional to 47,656.85, 71,395.02 and 31,814.10 is: 47,660.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,656.85 : 71,395.02 = 31,814.10 : x
  2. Step 2: Convert to fraction form
    47,656.85/71,395.02 = 31,814.10/x
  3. Step 3: Cross multiply
    47,656.85x = 71,395.02 × 31,814.10
  4. Step 4: Simplify right side
    47,656.85x = 2,271,368,305.78
  5. Step 5: Solve for x
    x = 2,271,368,305.78/47,656.85
  6. Step 6: Final answer
    x = 47,660.90

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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.