Home / 82,777.12-114,168.36-55,877.02

Finding the Fourth Proportional to 82,777.12, 114,168.36 and 55,877.02

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Solution

The fourth proportional to 82,777.12, 114,168.36 and 55,877.02 is: 77,067.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,777.12 : 114,168.36 = 55,877.02 : x
  2. Step 2: Convert to fraction form
    82,777.12/114,168.36 = 55,877.02/x
  3. Step 3: Cross multiply
    82,777.12x = 114,168.36 × 55,877.02
  4. Step 4: Simplify right side
    82,777.12x = 6,379,387,735.09
  5. Step 5: Solve for x
    x = 6,379,387,735.09/82,777.12
  6. Step 6: Final answer
    x = 77,067.04

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1.5x scale

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.