Home / 55,042.34-82,565.33-17,607.78

Finding the Fourth Proportional to 55,042.34, 82,565.33 and 17,607.78

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Solution

The fourth proportional to 55,042.34, 82,565.33 and 17,607.78 is: 26,412.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,042.34 : 82,565.33 = 17,607.78 : x
  2. Step 2: Convert to fraction form
    55,042.34/82,565.33 = 17,607.78/x
  3. Step 3: Cross multiply
    55,042.34x = 82,565.33 × 17,607.78
  4. Step 4: Simplify right side
    55,042.34x = 1,453,792,078.23
  5. Step 5: Solve for x
    x = 1,453,792,078.23/55,042.34
  6. Step 6: Final answer
    x = 26,412.25

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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.