Home / 48,818.50-67,349.61-31,816.53

Finding the Fourth Proportional to 48,818.50, 67,349.61 and 31,816.53

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Solution

The fourth proportional to 48,818.50, 67,349.61 and 31,816.53 is: 43,893.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,818.50 : 67,349.61 = 31,816.53 : x
  2. Step 2: Convert to fraction form
    48,818.50/67,349.61 = 31,816.53/x
  3. Step 3: Cross multiply
    48,818.50x = 67,349.61 × 31,816.53
  4. Step 4: Simplify right side
    48,818.50x = 2,142,830,887.05
  5. Step 5: Solve for x
    x = 2,142,830,887.05/48,818.50
  6. Step 6: Final answer
    x = 43,893.83

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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.