Home / 89,103.54-122,962.80-48,819.81

Finding the Fourth Proportional to 89,103.54, 122,962.80 and 48,819.81

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Solution

The fourth proportional to 89,103.54, 122,962.80 and 48,819.81 is: 67,371.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,103.54 : 122,962.80 = 48,819.81 : x
  2. Step 2: Convert to fraction form
    89,103.54/122,962.80 = 48,819.81/x
  3. Step 3: Cross multiply
    89,103.54x = 122,962.80 × 48,819.81
  4. Step 4: Simplify right side
    89,103.54x = 6,003,020,533.07
  5. Step 5: Solve for x
    x = 6,003,020,533.07/89,103.54
  6. Step 6: Final answer
    x = 67,371.29

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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.