Home / 101,326.12-152,054.46-54,611.56

Finding the Fourth Proportional to 101,326.12, 152,054.46 and 54,611.56

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Solution

The fourth proportional to 101,326.12, 152,054.46 and 54,611.56 is: 81,952.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,326.12 : 152,054.46 = 54,611.56 : x
  2. Step 2: Convert to fraction form
    101,326.12/152,054.46 = 54,611.56/x
  3. Step 3: Cross multiply
    101,326.12x = 152,054.46 × 54,611.56
  4. Step 4: Simplify right side
    101,326.12x = 8,303,931,265.56
  5. Step 5: Solve for x
    x = 8,303,931,265.56/101,326.12
  6. Step 6: Final answer
    x = 81,952.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.