Home / 89,085.75-122,945.33-50,836.47

Finding the Fourth Proportional to 89,085.75, 122,945.33 and 50,836.47

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Solution

The fourth proportional to 89,085.75, 122,945.33 and 50,836.47 is: 70,158.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,085.75 : 122,945.33 = 50,836.47 : x
  2. Step 2: Convert to fraction form
    89,085.75/122,945.33 = 50,836.47/x
  3. Step 3: Cross multiply
    89,085.75x = 122,945.33 × 50,836.47
  4. Step 4: Simplify right side
    89,085.75x = 6,250,106,326.00
  5. Step 5: Solve for x
    x = 6,250,106,326.00/89,085.75
  6. Step 6: Final answer
    x = 70,158.32

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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.