Home / 56,413.12-84,597.79-30,103.51

Finding the Fourth Proportional to 56,413.12, 84,597.79 and 30,103.51

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Solution

The fourth proportional to 56,413.12, 84,597.79 and 30,103.51 is: 45,143.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,413.12 : 84,597.79 = 30,103.51 : x
  2. Step 2: Convert to fraction form
    56,413.12/84,597.79 = 30,103.51/x
  3. Step 3: Cross multiply
    56,413.12x = 84,597.79 × 30,103.51
  4. Step 4: Simplify right side
    56,413.12x = 2,546,690,417.24
  5. Step 5: Solve for x
    x = 2,546,690,417.24/56,413.12
  6. Step 6: Final answer
    x = 45,143.58

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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.