Home / 85,223.09-117,611.87-47,497.61

Finding the Fourth Proportional to 85,223.09, 117,611.87 and 47,497.61

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Solution

The fourth proportional to 85,223.09, 117,611.87 and 47,497.61 is: 65,548.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,223.09 : 117,611.87 = 47,497.61 : x
  2. Step 2: Convert to fraction form
    85,223.09/117,611.87 = 47,497.61/x
  3. Step 3: Cross multiply
    85,223.09x = 117,611.87 × 47,497.61
  4. Step 4: Simplify right side
    85,223.09x = 5,586,282,437.19
  5. Step 5: Solve for x
    x = 5,586,282,437.19/85,223.09
  6. Step 6: Final answer
    x = 65,548.93

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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.