Home / 85,827.82-118,435.86-48,094.78

Finding the Fourth Proportional to 85,827.82, 118,435.86 and 48,094.78

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Solution

The fourth proportional to 85,827.82, 118,435.86 and 48,094.78 is: 66,367.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,827.82 : 118,435.86 = 48,094.78 : x
  2. Step 2: Convert to fraction form
    85,827.82/118,435.86 = 48,094.78/x
  3. Step 3: Cross multiply
    85,827.82x = 118,435.86 × 48,094.78
  4. Step 4: Simplify right side
    85,827.82x = 5,696,146,630.81
  5. Step 5: Solve for x
    x = 5,696,146,630.81/85,827.82
  6. Step 6: Final answer
    x = 66,367.14

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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.