Home / 55,439.04-83,157.36-17,999.04

Finding the Fourth Proportional to 55,439.04, 83,157.36 and 17,999.04

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Solution

The fourth proportional to 55,439.04, 83,157.36 and 17,999.04 is: 26,998.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,439.04 : 83,157.36 = 17,999.04 : x
  2. Step 2: Convert to fraction form
    55,439.04/83,157.36 = 17,999.04/x
  3. Step 3: Cross multiply
    55,439.04x = 83,157.36 × 17,999.04
  4. Step 4: Simplify right side
    55,439.04x = 1,496,752,648.93
  5. Step 5: Solve for x
    x = 1,496,752,648.93/55,439.04
  6. Step 6: Final answer
    x = 26,998.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.