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Finding the Fourth Proportional to 85,627.32, 118,164.66 and 47,383.98

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Solution

The fourth proportional to 85,627.32, 118,164.66 and 47,383.98 is: 65,389.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,627.32 : 118,164.66 = 47,383.98 : x
  2. Step 2: Convert to fraction form
    85,627.32/118,164.66 = 47,383.98/x
  3. Step 3: Cross multiply
    85,627.32x = 118,164.66 × 47,383.98
  4. Step 4: Simplify right side
    85,627.32x = 5,599,111,886.15
  5. Step 5: Solve for x
    x = 5,599,111,886.15/85,627.32
  6. Step 6: Final answer
    x = 65,389.32

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.