Home / 109,621.16-164,431.84-26,515.24

Finding the Fourth Proportional to 109,621.16, 164,431.84 and 26,515.24

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Solution

The fourth proportional to 109,621.16, 164,431.84 and 26,515.24 is: 39,772.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,621.16 : 164,431.84 = 26,515.24 : x
  2. Step 2: Convert to fraction form
    109,621.16/164,431.84 = 26,515.24/x
  3. Step 3: Cross multiply
    109,621.16x = 164,431.84 × 26,515.24
  4. Step 4: Simplify right side
    109,621.16x = 4,359,949,701.24
  5. Step 5: Solve for x
    x = 4,359,949,701.24/109,621.16
  6. Step 6: Final answer
    x = 39,772.88

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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.