Home / 84,012.24-115,939.56-46,287.84

Finding the Fourth Proportional to 84,012.24, 115,939.56 and 46,287.84

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Solution

The fourth proportional to 84,012.24, 115,939.56 and 46,287.84 is: 63,878.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,012.24 : 115,939.56 = 46,287.84 : x
  2. Step 2: Convert to fraction form
    84,012.24/115,939.56 = 46,287.84/x
  3. Step 3: Cross multiply
    84,012.24x = 115,939.56 × 46,287.84
  4. Step 4: Simplify right side
    84,012.24x = 5,366,591,802.95
  5. Step 5: Solve for x
    x = 5,366,591,802.95/84,012.24
  6. Step 6: Final answer
    x = 63,878.69

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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.