Home / 47,879.02-66,011.28-39,233.05

Finding the Fourth Proportional to 47,879.02, 66,011.28 and 39,233.05

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Solution

The fourth proportional to 47,879.02, 66,011.28 and 39,233.05 is: 54,091.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,879.02 : 66,011.28 = 39,233.05 : x
  2. Step 2: Convert to fraction form
    47,879.02/66,011.28 = 39,233.05/x
  3. Step 3: Cross multiply
    47,879.02x = 66,011.28 × 39,233.05
  4. Step 4: Simplify right side
    47,879.02x = 2,589,823,848.80
  5. Step 5: Solve for x
    x = 2,589,823,848.80/47,879.02
  6. Step 6: Final answer
    x = 54,091.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.