Home / 89,914.32-124,081.75-50,170.32

Finding the Fourth Proportional to 89,914.32, 124,081.75 and 50,170.32

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Solution

The fourth proportional to 89,914.32, 124,081.75 and 50,170.32 is: 69,235.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,914.32 : 124,081.75 = 50,170.32 : x
  2. Step 2: Convert to fraction form
    89,914.32/124,081.75 = 50,170.32/x
  3. Step 3: Cross multiply
    89,914.32x = 124,081.75 × 50,170.32
  4. Step 4: Simplify right side
    89,914.32x = 6,225,220,483.25
  5. Step 5: Solve for x
    x = 6,225,220,483.25/89,914.32
  6. Step 6: Final answer
    x = 69,235.03

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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.