Home / 85,299.72-117,589.01-59,725.50

Finding the Fourth Proportional to 85,299.72, 117,589.01 and 59,725.50

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Solution

The fourth proportional to 85,299.72, 117,589.01 and 59,725.50 is: 82,333.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,299.72 : 117,589.01 = 59,725.50 : x
  2. Step 2: Convert to fraction form
    85,299.72/117,589.01 = 59,725.50/x
  3. Step 3: Cross multiply
    85,299.72x = 117,589.01 × 59,725.50
  4. Step 4: Simplify right side
    85,299.72x = 7,023,062,118.13
  5. Step 5: Solve for x
    x = 7,023,062,118.13/85,299.72
  6. Step 6: Final answer
    x = 82,333.94

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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.