Home / 85,065.08-117,435.84-59,649.44

Finding the Fourth Proportional to 85,065.08, 117,435.84 and 59,649.44

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Solution

The fourth proportional to 85,065.08, 117,435.84 and 59,649.44 is: 82,348.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,065.08 : 117,435.84 = 59,649.44 : x
  2. Step 2: Convert to fraction form
    85,065.08/117,435.84 = 59,649.44/x
  3. Step 3: Cross multiply
    85,065.08x = 117,435.84 × 59,649.44
  4. Step 4: Simplify right side
    85,065.08x = 7,004,982,091.93
  5. Step 5: Solve for x
    x = 7,004,982,091.93/85,065.08
  6. Step 6: Final answer
    x = 82,348.50

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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.