Home / 50,281.12-75,453.45-28,109.06

Finding the Fourth Proportional to 50,281.12, 75,453.45 and 28,109.06

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Solution

The fourth proportional to 50,281.12, 75,453.45 and 28,109.06 is: 42,181.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,281.12 : 75,453.45 = 28,109.06 : x
  2. Step 2: Convert to fraction form
    50,281.12/75,453.45 = 28,109.06/x
  3. Step 3: Cross multiply
    50,281.12x = 75,453.45 × 28,109.06
  4. Step 4: Simplify right side
    50,281.12x = 2,120,925,553.26
  5. Step 5: Solve for x
    x = 2,120,925,553.26/50,281.12
  6. Step 6: Final answer
    x = 42,181.35

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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.