Home / 55,355.67-83,038.17-17,413.65

Finding the Fourth Proportional to 55,355.67, 83,038.17 and 17,413.65

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Solution

The fourth proportional to 55,355.67, 83,038.17 and 17,413.65 is: 26,121.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,355.67 : 83,038.17 = 17,413.65 : x
  2. Step 2: Convert to fraction form
    55,355.67/83,038.17 = 17,413.65/x
  3. Step 3: Cross multiply
    55,355.67x = 83,038.17 × 17,413.65
  4. Step 4: Simplify right side
    55,355.67x = 1,445,997,629.02
  5. Step 5: Solve for x
    x = 1,445,997,629.02/55,355.67
  6. Step 6: Final answer
    x = 26,121.94

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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.