Home / 45,983.33-68,979.86-19,681.01

Finding the Fourth Proportional to 45,983.33, 68,979.86 and 19,681.01

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Solution

The fourth proportional to 45,983.33, 68,979.86 and 19,681.01 is: 29,523.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,983.33 : 68,979.86 = 19,681.01 : x
  2. Step 2: Convert to fraction form
    45,983.33/68,979.86 = 19,681.01/x
  3. Step 3: Cross multiply
    45,983.33x = 68,979.86 × 19,681.01
  4. Step 4: Simplify right side
    45,983.33x = 1,357,593,216.05
  5. Step 5: Solve for x
    x = 1,357,593,216.05/45,983.33
  6. Step 6: Final answer
    x = 29,523.60

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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.