Home / 76,017.17-104,906.64-50,479.50

Finding the Fourth Proportional to 76,017.17, 104,906.64 and 50,479.50

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Solution

The fourth proportional to 76,017.17, 104,906.64 and 50,479.50 is: 69,663.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,017.17 : 104,906.64 = 50,479.50 : x
  2. Step 2: Convert to fraction form
    76,017.17/104,906.64 = 50,479.50/x
  3. Step 3: Cross multiply
    76,017.17x = 104,906.64 × 50,479.50
  4. Step 4: Simplify right side
    76,017.17x = 5,295,634,431.43
  5. Step 5: Solve for x
    x = 5,295,634,431.43/76,017.17
  6. Step 6: Final answer
    x = 69,663.66

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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.