Home / 75,815.11-104,591.55-45,582.94

Finding the Fourth Proportional to 75,815.11, 104,591.55 and 45,582.94

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Solution

The fourth proportional to 75,815.11, 104,591.55 and 45,582.94 is: 62,884.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,815.11 : 104,591.55 = 45,582.94 : x
  2. Step 2: Convert to fraction form
    75,815.11/104,591.55 = 45,582.94/x
  3. Step 3: Cross multiply
    75,815.11x = 104,591.55 × 45,582.94
  4. Step 4: Simplify right side
    75,815.11x = 4,767,590,348.16
  5. Step 5: Solve for x
    x = 4,767,590,348.16/75,815.11
  6. Step 6: Final answer
    x = 62,884.43

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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.