Home / 85,546.19-118,054.52-47,308.31

Finding the Fourth Proportional to 85,546.19, 118,054.52 and 47,308.31

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Solution

The fourth proportional to 85,546.19, 118,054.52 and 47,308.31 is: 65,285.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,546.19 : 118,054.52 = 47,308.31 : x
  2. Step 2: Convert to fraction form
    85,546.19/118,054.52 = 47,308.31/x
  3. Step 3: Cross multiply
    85,546.19x = 118,054.52 × 47,308.31
  4. Step 4: Simplify right side
    85,546.19x = 5,584,959,887.66
  5. Step 5: Solve for x
    x = 5,584,959,887.66/85,546.19
  6. Step 6: Final answer
    x = 65,285.90

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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.