Home / 76,017.49-104,907.08-50,479.81

Finding the Fourth Proportional to 76,017.49, 104,907.08 and 50,479.81

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Solution

The fourth proportional to 76,017.49, 104,907.08 and 50,479.81 is: 69,664.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,017.49 : 104,907.08 = 50,479.81 : x
  2. Step 2: Convert to fraction form
    76,017.49/104,907.08 = 50,479.81/x
  3. Step 3: Cross multiply
    76,017.49x = 104,907.08 × 50,479.81
  4. Step 4: Simplify right side
    76,017.49x = 5,295,689,329.99
  5. Step 5: Solve for x
    x = 5,295,689,329.99/76,017.49
  6. Step 6: Final answer
    x = 69,664.09

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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.