Home / 94,944.16-131,072.40-88,661.92

Finding the Fourth Proportional to 94,944.16, 131,072.40 and 88,661.92

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Solution

The fourth proportional to 94,944.16, 131,072.40 and 88,661.92 is: 122,399.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,944.16 : 131,072.40 = 88,661.92 : x
  2. Step 2: Convert to fraction form
    94,944.16/131,072.40 = 88,661.92/x
  3. Step 3: Cross multiply
    94,944.16x = 131,072.40 × 88,661.92
  4. Step 4: Simplify right side
    94,944.16x = 11,621,130,643.01
  5. Step 5: Solve for x
    x = 11,621,130,643.01/94,944.16
  6. Step 6: Final answer
    x = 122,399.64

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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.