Home / 85,293.09-117,702.68-47,056.13

Finding the Fourth Proportional to 85,293.09, 117,702.68 and 47,056.13

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Solution

The fourth proportional to 85,293.09, 117,702.68 and 47,056.13 is: 64,936.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,293.09 : 117,702.68 = 47,056.13 : x
  2. Step 2: Convert to fraction form
    85,293.09/117,702.68 = 47,056.13/x
  3. Step 3: Cross multiply
    85,293.09x = 117,702.68 × 47,056.13
  4. Step 4: Simplify right side
    85,293.09x = 5,538,632,611.43
  5. Step 5: Solve for x
    x = 5,538,632,611.43/85,293.09
  6. Step 6: Final answer
    x = 64,936.48

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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.