Home / 86,933.94-119,964.69-53,393.46

Finding the Fourth Proportional to 86,933.94, 119,964.69 and 53,393.46

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Solution

The fourth proportional to 86,933.94, 119,964.69 and 53,393.46 is: 73,680.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,933.94 : 119,964.69 = 53,393.46 : x
  2. Step 2: Convert to fraction form
    86,933.94/119,964.69 = 53,393.46/x
  3. Step 3: Cross multiply
    86,933.94x = 119,964.69 × 53,393.46
  4. Step 4: Simplify right side
    86,933.94x = 6,405,329,876.93
  5. Step 5: Solve for x
    x = 6,405,329,876.93/86,933.94
  6. Step 6: Final answer
    x = 73,680.43

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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.