Home / 53,274.65-79,903.22-21,683.43

Finding the Fourth Proportional to 53,274.65, 79,903.22 and 21,683.43

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Solution

The fourth proportional to 53,274.65, 79,903.22 and 21,683.43 is: 32,521.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,274.65 : 79,903.22 = 21,683.43 : x
  2. Step 2: Convert to fraction form
    53,274.65/79,903.22 = 21,683.43/x
  3. Step 3: Cross multiply
    53,274.65x = 79,903.22 × 21,683.43
  4. Step 4: Simplify right side
    53,274.65x = 1,732,575,769.23
  5. Step 5: Solve for x
    x = 1,732,575,769.23/53,274.65
  6. Step 6: Final answer
    x = 32,521.58

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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.