Home / 52,118.39-71,923.43-28,245.06

Finding the Fourth Proportional to 52,118.39, 71,923.43 and 28,245.06

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Solution

The fourth proportional to 52,118.39, 71,923.43 and 28,245.06 is: 38,978.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,118.39 : 71,923.43 = 28,245.06 : x
  2. Step 2: Convert to fraction form
    52,118.39/71,923.43 = 28,245.06/x
  3. Step 3: Cross multiply
    52,118.39x = 71,923.43 × 28,245.06
  4. Step 4: Simplify right side
    52,118.39x = 2,031,481,595.76
  5. Step 5: Solve for x
    x = 2,031,481,595.76/52,118.39
  6. Step 6: Final answer
    x = 38,978.21

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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.