Home / 80,534.93-111,101.74-51,844.30

Finding the Fourth Proportional to 80,534.93, 111,101.74 and 51,844.30

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Solution

The fourth proportional to 80,534.93, 111,101.74 and 51,844.30 is: 71,521.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,534.93 : 111,101.74 = 51,844.30 : x
  2. Step 2: Convert to fraction form
    80,534.93/111,101.74 = 51,844.30/x
  3. Step 3: Cross multiply
    80,534.93x = 111,101.74 × 51,844.30
  4. Step 4: Simplify right side
    80,534.93x = 5,759,991,531.72
  5. Step 5: Solve for x
    x = 5,759,991,531.72/80,534.93
  6. Step 6: Final answer
    x = 71,521.66

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1.5x scale

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.