Home / 50,820.09-75,938.93-38,745.83

Finding the Fourth Proportional to 50,820.09, 75,938.93 and 38,745.83

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Solution

The fourth proportional to 50,820.09, 75,938.93 and 38,745.83 is: 57,896.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,820.09 : 75,938.93 = 38,745.83 : x
  2. Step 2: Convert to fraction form
    50,820.09/75,938.93 = 38,745.83/x
  3. Step 3: Cross multiply
    50,820.09x = 75,938.93 × 38,745.83
  4. Step 4: Simplify right side
    50,820.09x = 2,942,316,298.74
  5. Step 5: Solve for x
    x = 2,942,316,298.74/50,820.09
  6. Step 6: Final answer
    x = 57,896.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.