Home / 75,857.16-104,682.96-42,323.16

Finding the Fourth Proportional to 75,857.16, 104,682.96 and 42,323.16

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Solution

The fourth proportional to 75,857.16, 104,682.96 and 42,323.16 is: 58,406.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,857.16 : 104,682.96 = 42,323.16 : x
  2. Step 2: Convert to fraction form
    75,857.16/104,682.96 = 42,323.16/x
  3. Step 3: Cross multiply
    75,857.16x = 104,682.96 × 42,323.16
  4. Step 4: Simplify right side
    75,857.16x = 4,430,513,665.35
  5. Step 5: Solve for x
    x = 4,430,513,665.35/75,857.16
  6. Step 6: Final answer
    x = 58,406.00

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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.