Home / 84,835.50-117,077.85-47,112.18

Finding the Fourth Proportional to 84,835.50, 117,077.85 and 47,112.18

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Solution

The fourth proportional to 84,835.50, 117,077.85 and 47,112.18 is: 65,017.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,835.50 : 117,077.85 = 47,112.18 : x
  2. Step 2: Convert to fraction form
    84,835.50/117,077.85 = 47,112.18/x
  3. Step 3: Cross multiply
    84,835.50x = 117,077.85 × 47,112.18
  4. Step 4: Simplify right side
    84,835.50x = 5,515,792,743.21
  5. Step 5: Solve for x
    x = 5,515,792,743.21/84,835.50
  6. Step 6: Final answer
    x = 65,017.51

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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.