Home / 109,827.04-164,739.36-26,721.12

Finding the Fourth Proportional to 109,827.04, 164,739.36 and 26,721.12

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Solution

The fourth proportional to 109,827.04, 164,739.36 and 26,721.12 is: 40,081.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,827.04 : 164,739.36 = 26,721.12 : x
  2. Step 2: Convert to fraction form
    109,827.04/164,739.36 = 26,721.12/x
  3. Step 3: Cross multiply
    109,827.04x = 164,739.36 × 26,721.12
  4. Step 4: Simplify right side
    109,827.04x = 4,402,020,207.28
  5. Step 5: Solve for x
    x = 4,402,020,207.28/109,827.04
  6. Step 6: Final answer
    x = 40,081.39

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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.