Home / 85,596.29-118,122.19-47,870.54

Finding the Fourth Proportional to 85,596.29, 118,122.19 and 47,870.54

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Solution

The fourth proportional to 85,596.29, 118,122.19 and 47,870.54 is: 66,060.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,596.29 : 118,122.19 = 47,870.54 : x
  2. Step 2: Convert to fraction form
    85,596.29/118,122.19 = 47,870.54/x
  3. Step 3: Cross multiply
    85,596.29x = 118,122.19 × 47,870.54
  4. Step 4: Simplify right side
    85,596.29x = 5,654,573,021.28
  5. Step 5: Solve for x
    x = 5,654,573,021.28/85,596.29
  6. Step 6: Final answer
    x = 66,060.96

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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.