Home / 60,212.84-90,196.14-28,146.02

Finding the Fourth Proportional to 60,212.84, 90,196.14 and 28,146.02

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Solution

The fourth proportional to 60,212.84, 90,196.14 and 28,146.02 is: 42,161.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,212.84 : 90,196.14 = 28,146.02 : x
  2. Step 2: Convert to fraction form
    60,212.84/90,196.14 = 28,146.02/x
  3. Step 3: Cross multiply
    60,212.84x = 90,196.14 × 28,146.02
  4. Step 4: Simplify right side
    60,212.84x = 2,538,662,360.36
  5. Step 5: Solve for x
    x = 2,538,662,360.36/60,212.84
  6. Step 6: Final answer
    x = 42,161.48

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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.