Home / 75,857.04-104,682.72-42,323.04

Finding the Fourth Proportional to 75,857.04, 104,682.72 and 42,323.04

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Solution

The fourth proportional to 75,857.04, 104,682.72 and 42,323.04 is: 58,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,857.04 : 104,682.72 = 42,323.04 : x
  2. Step 2: Convert to fraction form
    75,857.04/104,682.72 = 42,323.04/x
  3. Step 3: Cross multiply
    75,857.04x = 104,682.72 × 42,323.04
  4. Step 4: Simplify right side
    75,857.04x = 4,430,490,945.87
  5. Step 5: Solve for x
    x = 4,430,490,945.87/75,857.04
  6. Step 6: Final answer
    x = 58,405.80

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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.