Home / 55,052.65-82,562.77-15,613.21

Finding the Fourth Proportional to 55,052.65, 82,562.77 and 15,613.21

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Solution

The fourth proportional to 55,052.65, 82,562.77 and 15,613.21 is: 23,415.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,052.65 : 82,562.77 = 15,613.21 : x
  2. Step 2: Convert to fraction form
    55,052.65/82,562.77 = 15,613.21/x
  3. Step 3: Cross multiply
    55,052.65x = 82,562.77 × 15,613.21
  4. Step 4: Simplify right side
    55,052.65x = 1,289,069,866.19
  5. Step 5: Solve for x
    x = 1,289,069,866.19/55,052.65
  6. Step 6: Final answer
    x = 23,415.22

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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.