Home / 47,877.86-71,816.74-47,808.66

Finding the Fourth Proportional to 47,877.86, 71,816.74 and 47,808.66

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Solution

The fourth proportional to 47,877.86, 71,816.74 and 47,808.66 is: 71,712.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,877.86 : 71,816.74 = 47,808.66 : x
  2. Step 2: Convert to fraction form
    47,877.86/71,816.74 = 47,808.66/x
  3. Step 3: Cross multiply
    47,877.86x = 71,816.74 × 47,808.66
  4. Step 4: Simplify right side
    47,877.86x = 3,433,462,104.97
  5. Step 5: Solve for x
    x = 3,433,462,104.97/47,877.86
  6. Step 6: Final answer
    x = 71,712.94

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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.