Home / 89,910.36-124,080.35-51,682.32

Finding the Fourth Proportional to 89,910.36, 124,080.35 and 51,682.32

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Solution

The fourth proportional to 89,910.36, 124,080.35 and 51,682.32 is: 71,323.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,910.36 : 124,080.35 = 51,682.32 : x
  2. Step 2: Convert to fraction form
    89,910.36/124,080.35 = 51,682.32/x
  3. Step 3: Cross multiply
    89,910.36x = 124,080.35 × 51,682.32
  4. Step 4: Simplify right side
    89,910.36x = 6,412,760,096.00
  5. Step 5: Solve for x
    x = 6,412,760,096.00/89,910.36
  6. Step 6: Final answer
    x = 71,323.93

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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.