Home / 84,850.50-117,093.70-47,128.26

Finding the Fourth Proportional to 84,850.50, 117,093.70 and 47,128.26

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Solution

The fourth proportional to 84,850.50, 117,093.70 and 47,128.26 is: 65,037.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,850.50 : 117,093.70 = 47,128.26 : x
  2. Step 2: Convert to fraction form
    84,850.50/117,093.70 = 47,128.26/x
  3. Step 3: Cross multiply
    84,850.50x = 117,093.70 × 47,128.26
  4. Step 4: Simplify right side
    84,850.50x = 5,518,422,337.96
  5. Step 5: Solve for x
    x = 5,518,422,337.96/84,850.50
  6. Step 6: Final answer
    x = 65,037.00

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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.