Home / 115,322.03-172,995.35-48,768.88

Finding the Fourth Proportional to 115,322.03, 172,995.35 and 48,768.88

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Solution

The fourth proportional to 115,322.03, 172,995.35 and 48,768.88 is: 73,158.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,322.03 : 172,995.35 = 48,768.88 : x
  2. Step 2: Convert to fraction form
    115,322.03/172,995.35 = 48,768.88/x
  3. Step 3: Cross multiply
    115,322.03x = 172,995.35 × 48,768.88
  4. Step 4: Simplify right side
    115,322.03x = 8,436,789,464.71
  5. Step 5: Solve for x
    x = 8,436,789,464.71/115,322.03
  6. Step 6: Final answer
    x = 73,158.52

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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.