Home / 115,273.22-172,868.24-48,718.50

Finding the Fourth Proportional to 115,273.22, 172,868.24 and 48,718.50

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Solution

The fourth proportional to 115,273.22, 172,868.24 and 48,718.50 is: 73,060.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,273.22 : 172,868.24 = 48,718.50 : x
  2. Step 2: Convert to fraction form
    115,273.22/172,868.24 = 48,718.50/x
  3. Step 3: Cross multiply
    115,273.22x = 172,868.24 × 48,718.50
  4. Step 4: Simplify right side
    115,273.22x = 8,421,881,350.44
  5. Step 5: Solve for x
    x = 8,421,881,350.44/115,273.22
  6. Step 6: Final answer
    x = 73,060.17

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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.