Home / 83,816.02-115,656.40-48,003.89

Finding the Fourth Proportional to 83,816.02, 115,656.40 and 48,003.89

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Solution

The fourth proportional to 83,816.02, 115,656.40 and 48,003.89 is: 66,239.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,816.02 : 115,656.40 = 48,003.89 : x
  2. Step 2: Convert to fraction form
    83,816.02/115,656.40 = 48,003.89/x
  3. Step 3: Cross multiply
    83,816.02x = 115,656.40 × 48,003.89
  4. Step 4: Simplify right side
    83,816.02x = 5,551,957,103.40
  5. Step 5: Solve for x
    x = 5,551,957,103.40/83,816.02
  6. Step 6: Final answer
    x = 66,239.81

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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.