Home / 115,293.78-172,926.36-31,060.53

Finding the Fourth Proportional to 115,293.78, 172,926.36 and 31,060.53

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Solution

The fourth proportional to 115,293.78, 172,926.36 and 31,060.53 is: 46,586.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,293.78 : 172,926.36 = 31,060.53 : x
  2. Step 2: Convert to fraction form
    115,293.78/172,926.36 = 31,060.53/x
  3. Step 3: Cross multiply
    115,293.78x = 172,926.36 × 31,060.53
  4. Step 4: Simplify right side
    115,293.78x = 5,371,184,392.57
  5. Step 5: Solve for x
    x = 5,371,184,392.57/115,293.78
  6. Step 6: Final answer
    x = 46,586.94

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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.