Home / 86,935.37-119,952.36-51,112.31

Finding the Fourth Proportional to 86,935.37, 119,952.36 and 51,112.31

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Solution

The fourth proportional to 86,935.37, 119,952.36 and 51,112.31 is: 70,524.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,935.37 : 119,952.36 = 51,112.31 : x
  2. Step 2: Convert to fraction form
    86,935.37/119,952.36 = 51,112.31/x
  3. Step 3: Cross multiply
    86,935.37x = 119,952.36 × 51,112.31
  4. Step 4: Simplify right side
    86,935.37x = 6,131,041,609.79
  5. Step 5: Solve for x
    x = 6,131,041,609.79/86,935.37
  6. Step 6: Final answer
    x = 70,524.14

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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.