Home / 88,739.12-122,460.72-48,451.88

Finding the Fourth Proportional to 88,739.12, 122,460.72 and 48,451.88

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Solution

The fourth proportional to 88,739.12, 122,460.72 and 48,451.88 is: 66,864.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,739.12 : 122,460.72 = 48,451.88 : x
  2. Step 2: Convert to fraction form
    88,739.12/122,460.72 = 48,451.88/x
  3. Step 3: Cross multiply
    88,739.12x = 122,460.72 × 48,451.88
  4. Step 4: Simplify right side
    88,739.12x = 5,933,452,110.15
  5. Step 5: Solve for x
    x = 5,933,452,110.15/88,739.12
  6. Step 6: Final answer
    x = 66,864.00

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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.