Home / 109,521.32-164,256.86-30,643.52

Finding the Fourth Proportional to 109,521.32, 164,256.86 and 30,643.52

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Solution

The fourth proportional to 109,521.32, 164,256.86 and 30,643.52 is: 45,958.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,521.32 : 164,256.86 = 30,643.52 : x
  2. Step 2: Convert to fraction form
    109,521.32/164,256.86 = 30,643.52/x
  3. Step 3: Cross multiply
    109,521.32x = 164,256.86 × 30,643.52
  4. Step 4: Simplify right side
    109,521.32x = 5,033,407,629.87
  5. Step 5: Solve for x
    x = 5,033,407,629.87/109,521.32
  6. Step 6: Final answer
    x = 45,958.25

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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.