Home / 84,840.45-117,080.79-46,600.91

Finding the Fourth Proportional to 84,840.45, 117,080.79 and 46,600.91

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Solution

The fourth proportional to 84,840.45, 117,080.79 and 46,600.91 is: 64,309.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,840.45 : 117,080.79 = 46,600.91 : x
  2. Step 2: Convert to fraction form
    84,840.45/117,080.79 = 46,600.91/x
  3. Step 3: Cross multiply
    84,840.45x = 117,080.79 × 46,600.91
  4. Step 4: Simplify right side
    84,840.45x = 5,456,070,772.11
  5. Step 5: Solve for x
    x = 5,456,070,772.11/84,840.45
  6. Step 6: Final answer
    x = 64,309.78

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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.