Home / 84,997.08-117,393.84-56,653.56

Finding the Fourth Proportional to 84,997.08, 117,393.84 and 56,653.56

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Solution

The fourth proportional to 84,997.08, 117,393.84 and 56,653.56 is: 78,247.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,997.08 : 117,393.84 = 56,653.56 : x
  2. Step 2: Convert to fraction form
    84,997.08/117,393.84 = 56,653.56/x
  3. Step 3: Cross multiply
    84,997.08x = 117,393.84 × 56,653.56
  4. Step 4: Simplify right side
    84,997.08x = 6,650,778,958.07
  5. Step 5: Solve for x
    x = 6,650,778,958.07/84,997.08
  6. Step 6: Final answer
    x = 78,247.15

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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.