Home / 45,801.65-68,713.20-14,210.09

Finding the Fourth Proportional to 45,801.65, 68,713.20 and 14,210.09

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Solution

The fourth proportional to 45,801.65, 68,713.20 and 14,210.09 is: 21,318.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,801.65 : 68,713.20 = 14,210.09 : x
  2. Step 2: Convert to fraction form
    45,801.65/68,713.20 = 14,210.09/x
  3. Step 3: Cross multiply
    45,801.65x = 68,713.20 × 14,210.09
  4. Step 4: Simplify right side
    45,801.65x = 976,420,927.97
  5. Step 5: Solve for x
    x = 976,420,927.97/45,801.65
  6. Step 6: Final answer
    x = 21,318.47

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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.