Home / 85,996.37-118,731.20-55,867.56

Finding the Fourth Proportional to 85,996.37, 118,731.20 and 55,867.56

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Solution

The fourth proportional to 85,996.37, 118,731.20 and 55,867.56 is: 77,133.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,996.37 : 118,731.20 = 55,867.56 : x
  2. Step 2: Convert to fraction form
    85,996.37/118,731.20 = 55,867.56/x
  3. Step 3: Cross multiply
    85,996.37x = 118,731.20 × 55,867.56
  4. Step 4: Simplify right side
    85,996.37x = 6,633,221,937.91
  5. Step 5: Solve for x
    x = 6,633,221,937.91/85,996.37
  6. Step 6: Final answer
    x = 77,133.74

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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.