Home / 60,531.56-90,797.80-21,088.61

Finding the Fourth Proportional to 60,531.56, 90,797.80 and 21,088.61

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Solution

The fourth proportional to 60,531.56, 90,797.80 and 21,088.61 is: 31,633.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,531.56 : 90,797.80 = 21,088.61 : x
  2. Step 2: Convert to fraction form
    60,531.56/90,797.80 = 21,088.61/x
  3. Step 3: Cross multiply
    60,531.56x = 90,797.80 × 21,088.61
  4. Step 4: Simplify right side
    60,531.56x = 1,914,799,567.33
  5. Step 5: Solve for x
    x = 1,914,799,567.33/60,531.56
  6. Step 6: Final answer
    x = 31,633.08

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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.