Home / 45,276.06-67,917.84-14,111.31

Finding the Fourth Proportional to 45,276.06, 67,917.84 and 14,111.31

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Solution

The fourth proportional to 45,276.06, 67,917.84 and 14,111.31 is: 21,168.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,276.06 : 67,917.84 = 14,111.31 : x
  2. Step 2: Convert to fraction form
    45,276.06/67,917.84 = 14,111.31/x
  3. Step 3: Cross multiply
    45,276.06x = 67,917.84 × 14,111.31
  4. Step 4: Simplify right side
    45,276.06x = 958,409,694.77
  5. Step 5: Solve for x
    x = 958,409,694.77/45,276.06
  6. Step 6: Final answer
    x = 21,168.13

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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.