Home / 109,828.36-164,742.54-26,721.64

Finding the Fourth Proportional to 109,828.36, 164,742.54 and 26,721.64

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Solution

The fourth proportional to 109,828.36, 164,742.54 and 26,721.64 is: 40,082.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,828.36 : 164,742.54 = 26,721.64 : x
  2. Step 2: Convert to fraction form
    109,828.36/164,742.54 = 26,721.64/x
  3. Step 3: Cross multiply
    109,828.36x = 164,742.54 × 26,721.64
  4. Step 4: Simplify right side
    109,828.36x = 4,402,190,846.57
  5. Step 5: Solve for x
    x = 4,402,190,846.57/109,828.36
  6. Step 6: Final answer
    x = 40,082.46

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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.