Home / 60,482.22-90,725.38-21,039.68

Finding the Fourth Proportional to 60,482.22, 90,725.38 and 21,039.68

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Solution

The fourth proportional to 60,482.22, 90,725.38 and 21,039.68 is: 31,560.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,482.22 : 90,725.38 = 21,039.68 : x
  2. Step 2: Convert to fraction form
    60,482.22/90,725.38 = 21,039.68/x
  3. Step 3: Cross multiply
    60,482.22x = 90,725.38 × 21,039.68
  4. Step 4: Simplify right side
    60,482.22x = 1,908,832,456.85
  5. Step 5: Solve for x
    x = 1,908,832,456.85/60,482.22
  6. Step 6: Final answer
    x = 31,560.22

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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.