Home / 84,862.14-117,113.46-47,136.39

Finding the Fourth Proportional to 84,862.14, 117,113.46 and 47,136.39

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Solution

The fourth proportional to 84,862.14, 117,113.46 and 47,136.39 is: 65,050.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,862.14 : 117,113.46 = 47,136.39 : x
  2. Step 2: Convert to fraction form
    84,862.14/117,113.46 = 47,136.39/x
  3. Step 3: Cross multiply
    84,862.14x = 117,113.46 × 47,136.39
  4. Step 4: Simplify right side
    84,862.14x = 5,520,305,724.81
  5. Step 5: Solve for x
    x = 5,520,305,724.81/84,862.14
  6. Step 6: Final answer
    x = 65,050.28

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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.