Home / 75,255.30-112,884.48-21,951.18

Finding the Fourth Proportional to 75,255.30, 112,884.48 and 21,951.18

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Solution

The fourth proportional to 75,255.30, 112,884.48 and 21,951.18 is: 32,927.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,255.30 : 112,884.48 = 21,951.18 : x
  2. Step 2: Convert to fraction form
    75,255.30/112,884.48 = 21,951.18/x
  3. Step 3: Cross multiply
    75,255.30x = 112,884.48 × 21,951.18
  4. Step 4: Simplify right side
    75,255.30x = 2,477,947,539.69
  5. Step 5: Solve for x
    x = 2,477,947,539.69/75,255.30
  6. Step 6: Final answer
    x = 32,927.22

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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.