Home / 79,063.28-109,095.44-45,074.76

Finding the Fourth Proportional to 79,063.28, 109,095.44 and 45,074.76

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Solution

The fourth proportional to 79,063.28, 109,095.44 and 45,074.76 is: 62,196.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,063.28 : 109,095.44 = 45,074.76 : x
  2. Step 2: Convert to fraction form
    79,063.28/109,095.44 = 45,074.76/x
  3. Step 3: Cross multiply
    79,063.28x = 109,095.44 × 45,074.76
  4. Step 4: Simplify right side
    79,063.28x = 4,917,450,775.09
  5. Step 5: Solve for x
    x = 4,917,450,775.09/79,063.28
  6. Step 6: Final answer
    x = 62,196.39

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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.