Home / 106,439.68-146,883.40-58,695.04

Finding the Fourth Proportional to 106,439.68, 146,883.40 and 58,695.04

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Solution

The fourth proportional to 106,439.68, 146,883.40 and 58,695.04 is: 80,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,439.68 : 146,883.40 = 58,695.04 : x
  2. Step 2: Convert to fraction form
    106,439.68/146,883.40 = 58,695.04/x
  3. Step 3: Cross multiply
    106,439.68x = 146,883.40 × 58,695.04
  4. Step 4: Simplify right side
    106,439.68x = 8,621,327,038.34
  5. Step 5: Solve for x
    x = 8,621,327,038.34/106,439.68
  6. Step 6: Final answer
    x = 80,997.30

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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.