Home / 111,421.08-167,182.65-48,260.52

Finding the Fourth Proportional to 111,421.08, 167,182.65 and 48,260.52

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Solution

The fourth proportional to 111,421.08, 167,182.65 and 48,260.52 is: 72,412.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,421.08 : 167,182.65 = 48,260.52 : x
  2. Step 2: Convert to fraction form
    111,421.08/167,182.65 = 48,260.52/x
  3. Step 3: Cross multiply
    111,421.08x = 167,182.65 × 48,260.52
  4. Step 4: Simplify right side
    111,421.08x = 8,068,321,623.98
  5. Step 5: Solve for x
    x = 8,068,321,623.98/111,421.08
  6. Step 6: Final answer
    x = 72,412.88

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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.