Home / 109,411.13-164,116.70-26,305.13

Finding the Fourth Proportional to 109,411.13, 164,116.70 and 26,305.13

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Solution

The fourth proportional to 109,411.13, 164,116.70 and 26,305.13 is: 39,457.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,411.13 : 164,116.70 = 26,305.13 : x
  2. Step 2: Convert to fraction form
    109,411.13/164,116.70 = 26,305.13/x
  3. Step 3: Cross multiply
    109,411.13x = 164,116.70 × 26,305.13
  4. Step 4: Simplify right side
    109,411.13x = 4,317,111,128.67
  5. Step 5: Solve for x
    x = 4,317,111,128.67/109,411.13
  6. Step 6: Final answer
    x = 39,457.70

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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.