Home / 75,220.56-112,756.62-35,805.35

Finding the Fourth Proportional to 75,220.56, 112,756.62 and 35,805.35

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Solution

The fourth proportional to 75,220.56, 112,756.62 and 35,805.35 is: 53,672.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,220.56 : 112,756.62 = 35,805.35 : x
  2. Step 2: Convert to fraction form
    75,220.56/112,756.62 = 35,805.35/x
  3. Step 3: Cross multiply
    75,220.56x = 112,756.62 × 35,805.35
  4. Step 4: Simplify right side
    75,220.56x = 4,037,290,660.08
  5. Step 5: Solve for x
    x = 4,037,290,660.08/75,220.56
  6. Step 6: Final answer
    x = 53,672.70

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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.