Home / 84,122.15-116,085.96-47,827.60

Finding the Fourth Proportional to 84,122.15, 116,085.96 and 47,827.60

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Solution

The fourth proportional to 84,122.15, 116,085.96 and 47,827.60 is: 66,000.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,122.15 : 116,085.96 = 47,827.60 : x
  2. Step 2: Convert to fraction form
    84,122.15/116,085.96 = 47,827.60/x
  3. Step 3: Cross multiply
    84,122.15x = 116,085.96 × 47,827.60
  4. Step 4: Simplify right side
    84,122.15x = 5,552,112,570.28
  5. Step 5: Solve for x
    x = 5,552,112,570.28/84,122.15
  6. Step 6: Final answer
    x = 66,000.61

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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.