Home / 76,018.61-104,908.64-50,480.93

Finding the Fourth Proportional to 76,018.61, 104,908.64 and 50,480.93

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Solution

The fourth proportional to 76,018.61, 104,908.64 and 50,480.93 is: 69,665.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,018.61 : 104,908.64 = 50,480.93 : x
  2. Step 2: Convert to fraction form
    76,018.61/104,908.64 = 50,480.93/x
  3. Step 3: Cross multiply
    76,018.61x = 104,908.64 × 50,480.93
  4. Step 4: Simplify right side
    76,018.61x = 5,295,885,722.10
  5. Step 5: Solve for x
    x = 5,295,885,722.10/76,018.61
  6. Step 6: Final answer
    x = 69,665.65

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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.