Home / 85,146.85-117,505.11-46,908.82

Finding the Fourth Proportional to 85,146.85, 117,505.11 and 46,908.82

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Solution

The fourth proportional to 85,146.85, 117,505.11 and 46,908.82 is: 64,735.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,146.85 : 117,505.11 = 46,908.82 : x
  2. Step 2: Convert to fraction form
    85,146.85/117,505.11 = 46,908.82/x
  3. Step 3: Cross multiply
    85,146.85x = 117,505.11 × 46,908.82
  4. Step 4: Simplify right side
    85,146.85x = 5,512,026,054.07
  5. Step 5: Solve for x
    x = 5,512,026,054.07/85,146.85
  6. Step 6: Final answer
    x = 64,735.53

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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.