Home / 89,012.03-122,833.53-50,783.96

Finding the Fourth Proportional to 89,012.03, 122,833.53 and 50,783.96

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Solution

The fourth proportional to 89,012.03, 122,833.53 and 50,783.96 is: 70,080.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,012.03 : 122,833.53 = 50,783.96 : x
  2. Step 2: Convert to fraction form
    89,012.03/122,833.53 = 50,783.96/x
  3. Step 3: Cross multiply
    89,012.03x = 122,833.53 × 50,783.96
  4. Step 4: Simplify right side
    89,012.03x = 6,237,972,460.01
  5. Step 5: Solve for x
    x = 6,237,972,460.01/89,012.03
  6. Step 6: Final answer
    x = 70,080.11

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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.