Home / 49,887.95-74,829.19-30,161.21

Finding the Fourth Proportional to 49,887.95, 74,829.19 and 30,161.21

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Solution

The fourth proportional to 49,887.95, 74,829.19 and 30,161.21 is: 45,240.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,887.95 : 74,829.19 = 30,161.21 : x
  2. Step 2: Convert to fraction form
    49,887.95/74,829.19 = 30,161.21/x
  3. Step 3: Cross multiply
    49,887.95x = 74,829.19 × 30,161.21
  4. Step 4: Simplify right side
    49,887.95x = 2,256,939,026.47
  5. Step 5: Solve for x
    x = 2,256,939,026.47/49,887.95
  6. Step 6: Final answer
    x = 45,240.16

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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.