Home / 88,821.54-122,574.05-48,535.30

Finding the Fourth Proportional to 88,821.54, 122,574.05 and 48,535.30

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Solution

The fourth proportional to 88,821.54, 122,574.05 and 48,535.30 is: 66,978.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,821.54 : 122,574.05 = 48,535.30 : x
  2. Step 2: Convert to fraction form
    88,821.54/122,574.05 = 48,535.30/x
  3. Step 3: Cross multiply
    88,821.54x = 122,574.05 × 48,535.30
  4. Step 4: Simplify right side
    88,821.54x = 5,949,167,739.85
  5. Step 5: Solve for x
    x = 5,949,167,739.85/88,821.54
  6. Step 6: Final answer
    x = 66,978.89

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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.