Home / 109,749.30-164,623.95-26,643.30

Finding the Fourth Proportional to 109,749.30, 164,623.95 and 26,643.30

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Solution

The fourth proportional to 109,749.30, 164,623.95 and 26,643.30 is: 39,964.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,749.30 : 164,623.95 = 26,643.30 : x
  2. Step 2: Convert to fraction form
    109,749.30/164,623.95 = 26,643.30/x
  3. Step 3: Cross multiply
    109,749.30x = 164,623.95 × 26,643.30
  4. Step 4: Simplify right side
    109,749.30x = 4,386,125,287.04
  5. Step 5: Solve for x
    x = 4,386,125,287.04/109,749.30
  6. Step 6: Final answer
    x = 39,964.95

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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.