Home / 75,970.71-104,834.16-41,978.82

Finding the Fourth Proportional to 75,970.71, 104,834.16 and 41,978.82

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Solution

The fourth proportional to 75,970.71, 104,834.16 and 41,978.82 is: 57,927.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,970.71 : 104,834.16 = 41,978.82 : x
  2. Step 2: Convert to fraction form
    75,970.71/104,834.16 = 41,978.82/x
  3. Step 3: Cross multiply
    75,970.71x = 104,834.16 × 41,978.82
  4. Step 4: Simplify right side
    75,970.71x = 4,400,814,332.49
  5. Step 5: Solve for x
    x = 4,400,814,332.49/75,970.71
  6. Step 6: Final answer
    x = 57,927.78

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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.