Home / 85,326.36-117,749.57-47,086.26

Finding the Fourth Proportional to 85,326.36, 117,749.57 and 47,086.26

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Solution

The fourth proportional to 85,326.36, 117,749.57 and 47,086.26 is: 64,978.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,326.36 : 117,749.57 = 47,086.26 : x
  2. Step 2: Convert to fraction form
    85,326.36/117,749.57 = 47,086.26/x
  3. Step 3: Cross multiply
    85,326.36x = 117,749.57 × 47,086.26
  4. Step 4: Simplify right side
    85,326.36x = 5,544,387,250.55
  5. Step 5: Solve for x
    x = 5,544,387,250.55/85,326.36
  6. Step 6: Final answer
    x = 64,978.60

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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.