Home / 85,330.79-117,758.89-47,092.75

Finding the Fourth Proportional to 85,330.79, 117,758.89 and 47,092.75

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Solution

The fourth proportional to 85,330.79, 117,758.89 and 47,092.75 is: 64,989.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,330.79 : 117,758.89 = 47,092.75 : x
  2. Step 2: Convert to fraction form
    85,330.79/117,758.89 = 47,092.75/x
  3. Step 3: Cross multiply
    85,330.79x = 117,758.89 × 47,092.75
  4. Step 4: Simplify right side
    85,330.79x = 5,545,589,967.05
  5. Step 5: Solve for x
    x = 5,545,589,967.05/85,330.79
  6. Step 6: Final answer
    x = 64,989.32

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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.