Home / 89,859.75-124,004.88-49,577.37

Finding the Fourth Proportional to 89,859.75, 124,004.88 and 49,577.37

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Solution

The fourth proportional to 89,859.75, 124,004.88 and 49,577.37 is: 68,415.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,859.75 : 124,004.88 = 49,577.37 : x
  2. Step 2: Convert to fraction form
    89,859.75/124,004.88 = 49,577.37/x
  3. Step 3: Cross multiply
    89,859.75x = 124,004.88 × 49,577.37
  4. Step 4: Simplify right side
    89,859.75x = 6,147,835,817.57
  5. Step 5: Solve for x
    x = 6,147,835,817.57/89,859.75
  6. Step 6: Final answer
    x = 68,415.90

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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.