Home / 84,055.20-115,995.60-46,329.36

Finding the Fourth Proportional to 84,055.20, 115,995.60 and 46,329.36

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Solution

The fourth proportional to 84,055.20, 115,995.60 and 46,329.36 is: 63,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,055.20 : 115,995.60 = 46,329.36 : x
  2. Step 2: Convert to fraction form
    84,055.20/115,995.60 = 46,329.36/x
  3. Step 3: Cross multiply
    84,055.20x = 115,995.60 × 46,329.36
  4. Step 4: Simplify right side
    84,055.20x = 5,374,001,910.82
  5. Step 5: Solve for x
    x = 5,374,001,910.82/84,055.20
  6. Step 6: Final answer
    x = 63,934.20

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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.