Home / 85,331.79-117,760.27-47,093.75

Finding the Fourth Proportional to 85,331.79, 117,760.27 and 47,093.75

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Solution

The fourth proportional to 85,331.79, 117,760.27 and 47,093.75 is: 64,990.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,331.79 : 117,760.27 = 47,093.75 : x
  2. Step 2: Convert to fraction form
    85,331.79/117,760.27 = 47,093.75/x
  3. Step 3: Cross multiply
    85,331.79x = 117,760.27 × 47,093.75
  4. Step 4: Simplify right side
    85,331.79x = 5,545,772,715.31
  5. Step 5: Solve for x
    x = 5,545,772,715.31/85,331.79
  6. Step 6: Final answer
    x = 64,990.70

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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.