Home / 75,607.85-104,338.01-41,615.61

Finding the Fourth Proportional to 75,607.85, 104,338.01 and 41,615.61

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Solution

The fourth proportional to 75,607.85, 104,338.01 and 41,615.61 is: 57,429.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,607.85 : 104,338.01 = 41,615.61 : x
  2. Step 2: Convert to fraction form
    75,607.85/104,338.01 = 41,615.61/x
  3. Step 3: Cross multiply
    75,607.85x = 104,338.01 × 41,615.61
  4. Step 4: Simplify right side
    75,607.85x = 4,342,089,411.02
  5. Step 5: Solve for x
    x = 4,342,089,411.02/75,607.85
  6. Step 6: Final answer
    x = 57,429.08

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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.