Home / 115,921.32-173,928.06-53,621.16

Finding the Fourth Proportional to 115,921.32, 173,928.06 and 53,621.16

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Solution

The fourth proportional to 115,921.32, 173,928.06 and 53,621.16 is: 80,453.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,921.32 : 173,928.06 = 53,621.16 : x
  2. Step 2: Convert to fraction form
    115,921.32/173,928.06 = 53,621.16/x
  3. Step 3: Cross multiply
    115,921.32x = 173,928.06 × 53,621.16
  4. Step 4: Simplify right side
    115,921.32x = 9,326,224,333.75
  5. Step 5: Solve for x
    x = 9,326,224,333.75/115,921.32
  6. Step 6: Final answer
    x = 80,453.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.