Home / 75,908.87-103,994.67-73,070.22

Finding the Fourth Proportional to 75,908.87, 103,994.67 and 73,070.22

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Solution

The fourth proportional to 75,908.87, 103,994.67 and 73,070.22 is: 100,105.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,908.87 : 103,994.67 = 73,070.22 : x
  2. Step 2: Convert to fraction form
    75,908.87/103,994.67 = 73,070.22/x
  3. Step 3: Cross multiply
    75,908.87x = 103,994.67 × 73,070.22
  4. Step 4: Simplify right side
    75,908.87x = 7,598,913,415.73
  5. Step 5: Solve for x
    x = 7,598,913,415.73/75,908.87
  6. Step 6: Final answer
    x = 100,105.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.