Home / 59,721.28-82,327.02-38,208.70

Finding the Fourth Proportional to 59,721.28, 82,327.02 and 38,208.70

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Solution

The fourth proportional to 59,721.28, 82,327.02 and 38,208.70 is: 52,671.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,721.28 : 82,327.02 = 38,208.70 : x
  2. Step 2: Convert to fraction form
    59,721.28/82,327.02 = 38,208.70/x
  3. Step 3: Cross multiply
    59,721.28x = 82,327.02 × 38,208.70
  4. Step 4: Simplify right side
    59,721.28x = 3,145,608,409.07
  5. Step 5: Solve for x
    x = 3,145,608,409.07/59,721.28
  6. Step 6: Final answer
    x = 52,671.48

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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.