Home / 49,126.16-67,795.20-28,987.94

Finding the Fourth Proportional to 49,126.16, 67,795.20 and 28,987.94

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Solution

The fourth proportional to 49,126.16, 67,795.20 and 28,987.94 is: 40,004.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,126.16 : 67,795.20 = 28,987.94 : x
  2. Step 2: Convert to fraction form
    49,126.16/67,795.20 = 28,987.94/x
  3. Step 3: Cross multiply
    49,126.16x = 67,795.20 × 28,987.94
  4. Step 4: Simplify right side
    49,126.16x = 1,965,243,189.89
  5. Step 5: Solve for x
    x = 1,965,243,189.89/49,126.16
  6. Step 6: Final answer
    x = 40,004.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.