Home / 101,515.88-152,293.26-31,382.84

Finding the Fourth Proportional to 101,515.88, 152,293.26 and 31,382.84

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Solution

The fourth proportional to 101,515.88, 152,293.26 and 31,382.84 is: 47,080.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,515.88 : 152,293.26 = 31,382.84 : x
  2. Step 2: Convert to fraction form
    101,515.88/152,293.26 = 31,382.84/x
  3. Step 3: Cross multiply
    101,515.88x = 152,293.26 × 31,382.84
  4. Step 4: Simplify right side
    101,515.88x = 4,779,395,011.66
  5. Step 5: Solve for x
    x = 4,779,395,011.66/101,515.88
  6. Step 6: Final answer
    x = 47,080.27

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1.5x scale

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.