Home / 75,938.43-104,800.78-43,682.93

Finding the Fourth Proportional to 75,938.43, 104,800.78 and 43,682.93

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Solution

The fourth proportional to 75,938.43, 104,800.78 and 43,682.93 is: 60,285.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,938.43 : 104,800.78 = 43,682.93 : x
  2. Step 2: Convert to fraction form
    75,938.43/104,800.78 = 43,682.93/x
  3. Step 3: Cross multiply
    75,938.43x = 104,800.78 × 43,682.93
  4. Step 4: Simplify right side
    75,938.43x = 4,578,004,503.47
  5. Step 5: Solve for x
    x = 4,578,004,503.47/75,938.43
  6. Step 6: Final answer
    x = 60,285.74

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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.