Home / 60,531.32-90,797.43-21,088.37

Finding the Fourth Proportional to 60,531.32, 90,797.43 and 21,088.37

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Solution

The fourth proportional to 60,531.32, 90,797.43 and 21,088.37 is: 31,632.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,531.32 : 90,797.43 = 21,088.37 : x
  2. Step 2: Convert to fraction form
    60,531.32/90,797.43 = 21,088.37/x
  3. Step 3: Cross multiply
    60,531.32x = 90,797.43 × 21,088.37
  4. Step 4: Simplify right side
    60,531.32x = 1,914,769,239.46
  5. Step 5: Solve for x
    x = 1,914,769,239.46/60,531.32
  6. Step 6: Final answer
    x = 31,632.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.