Home / 109,960.32-164,919.80-31,074

Finding the Fourth Proportional to 109,960.32, 164,919.80 and 31,074

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Solution

The fourth proportional to 109,960.32, 164,919.80 and 31,074 is: 46,605.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,960.32 : 164,919.80 = 31,074 : x
  2. Step 2: Convert to fraction form
    109,960.32/164,919.80 = 31,074/x
  3. Step 3: Cross multiply
    109,960.32x = 164,919.80 × 31,074
  4. Step 4: Simplify right side
    109,960.32x = 5,124,717,865.20
  5. Step 5: Solve for x
    x = 5,124,717,865.20/109,960.32
  6. Step 6: Final answer
    x = 46,605.16

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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.