Home / 85,463.67-117,933.77-47,222.80

Finding the Fourth Proportional to 85,463.67, 117,933.77 and 47,222.80

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Solution

The fourth proportional to 85,463.67, 117,933.77 and 47,222.80 is: 65,164.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,463.67 : 117,933.77 = 47,222.80 : x
  2. Step 2: Convert to fraction form
    85,463.67/117,933.77 = 47,222.80/x
  3. Step 3: Cross multiply
    85,463.67x = 117,933.77 × 47,222.80
  4. Step 4: Simplify right side
    85,463.67x = 5,569,162,657.18
  5. Step 5: Solve for x
    x = 5,569,162,657.18/85,463.67
  6. Step 6: Final answer
    x = 65,164.09

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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.