Home / 45,529.80-68,304.30-14,368.20

Finding the Fourth Proportional to 45,529.80, 68,304.30 and 14,368.20

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Solution

The fourth proportional to 45,529.80, 68,304.30 and 14,368.20 is: 21,555.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,529.80 : 68,304.30 = 14,368.20 : x
  2. Step 2: Convert to fraction form
    45,529.80/68,304.30 = 14,368.20/x
  3. Step 3: Cross multiply
    45,529.80x = 68,304.30 × 14,368.20
  4. Step 4: Simplify right side
    45,529.80x = 981,409,843.26
  5. Step 5: Solve for x
    x = 981,409,843.26/45,529.80
  6. Step 6: Final answer
    x = 21,555.33

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1.5x scale

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.