Home / 84,413.15-116,376.15-54,145.93

Finding the Fourth Proportional to 84,413.15, 116,376.15 and 54,145.93

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Solution

The fourth proportional to 84,413.15, 116,376.15 and 54,145.93 is: 74,648.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,413.15 : 116,376.15 = 54,145.93 : x
  2. Step 2: Convert to fraction form
    84,413.15/116,376.15 = 54,145.93/x
  3. Step 3: Cross multiply
    84,413.15x = 116,376.15 × 54,145.93
  4. Step 4: Simplify right side
    84,413.15x = 6,301,294,479.11
  5. Step 5: Solve for x
    x = 6,301,294,479.11/84,413.15
  6. Step 6: Final answer
    x = 74,648.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.