Home / 115,271.22-172,865.24-48,716.50

Finding the Fourth Proportional to 115,271.22, 172,865.24 and 48,716.50

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Solution

The fourth proportional to 115,271.22, 172,865.24 and 48,716.50 is: 73,057.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,271.22 : 172,865.24 = 48,716.50 : x
  2. Step 2: Convert to fraction form
    115,271.22/172,865.24 = 48,716.50/x
  3. Step 3: Cross multiply
    115,271.22x = 172,865.24 × 48,716.50
  4. Step 4: Simplify right side
    115,271.22x = 8,421,389,464.46
  5. Step 5: Solve for x
    x = 8,421,389,464.46/115,271.22
  6. Step 6: Final answer
    x = 73,057.17

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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.