Home / 75,222.45-112,833.48-19,062.40

Finding the Fourth Proportional to 75,222.45, 112,833.48 and 19,062.40

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Solution

The fourth proportional to 75,222.45, 112,833.48 and 19,062.40 is: 28,593.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,222.45 : 112,833.48 = 19,062.40 : x
  2. Step 2: Convert to fraction form
    75,222.45/112,833.48 = 19,062.40/x
  3. Step 3: Cross multiply
    75,222.45x = 112,833.48 × 19,062.40
  4. Step 4: Simplify right side
    75,222.45x = 2,150,876,929.15
  5. Step 5: Solve for x
    x = 2,150,876,929.15/75,222.45
  6. Step 6: Final answer
    x = 28,593.55

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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.