Home / 84,997.80-117,309.06-53,185.32

Finding the Fourth Proportional to 84,997.80, 117,309.06 and 53,185.32

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Solution

The fourth proportional to 84,997.80, 117,309.06 and 53,185.32 is: 73,403.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,997.80 : 117,309.06 = 53,185.32 : x
  2. Step 2: Convert to fraction form
    84,997.80/117,309.06 = 53,185.32/x
  3. Step 3: Cross multiply
    84,997.80x = 117,309.06 × 53,185.32
  4. Step 4: Simplify right side
    84,997.80x = 6,239,119,895.00
  5. Step 5: Solve for x
    x = 6,239,119,895.00/84,997.80
  6. Step 6: Final answer
    x = 73,403.31

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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.