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Finding the Fourth Proportional to 85,942, 118,599.96 and 48,215.44

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Solution

The fourth proportional to 85,942, 118,599.96 and 48,215.44 is: 66,537.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,942 : 118,599.96 = 48,215.44 : x
  2. Step 2: Convert to fraction form
    85,942/118,599.96 = 48,215.44/x
  3. Step 3: Cross multiply
    85,942x = 118,599.96 × 48,215.44
  4. Step 4: Simplify right side
    85,942x = 5,718,349,255.38
  5. Step 5: Solve for x
    x = 5,718,349,255.38/85,942
  6. Step 6: Final answer
    x = 66,537.31

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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.