Home / 85,194.64-117,568.02-47,469.16

Finding the Fourth Proportional to 85,194.64, 117,568.02 and 47,469.16

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Solution

The fourth proportional to 85,194.64, 117,568.02 and 47,469.16 is: 65,507.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,194.64 : 117,568.02 = 47,469.16 : x
  2. Step 2: Convert to fraction form
    85,194.64/117,568.02 = 47,469.16/x
  3. Step 3: Cross multiply
    85,194.64x = 117,568.02 × 47,469.16
  4. Step 4: Simplify right side
    85,194.64x = 5,580,855,152.26
  5. Step 5: Solve for x
    x = 5,580,855,152.26/85,194.64
  6. Step 6: Final answer
    x = 65,507.12

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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.