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Finding the Fourth Proportional to 60,600, 83,634.48 and 35,470.56

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Solution

The fourth proportional to 60,600, 83,634.48 and 35,470.56 is: 48,953.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,600 : 83,634.48 = 35,470.56 : x
  2. Step 2: Convert to fraction form
    60,600/83,634.48 = 35,470.56/x
  3. Step 3: Cross multiply
    60,600x = 83,634.48 × 35,470.56
  4. Step 4: Simplify right side
    60,600x = 2,966,561,840.91
  5. Step 5: Solve for x
    x = 2,966,561,840.91/60,600
  6. Step 6: Final answer
    x = 48,953.17

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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.