Home / 56,413.34-77,849.08-31,262.30

Finding the Fourth Proportional to 56,413.34, 77,849.08 and 31,262.30

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Solution

The fourth proportional to 56,413.34, 77,849.08 and 31,262.30 is: 43,141.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,413.34 : 77,849.08 = 31,262.30 : x
  2. Step 2: Convert to fraction form
    56,413.34/77,849.08 = 31,262.30/x
  3. Step 3: Cross multiply
    56,413.34x = 77,849.08 × 31,262.30
  4. Step 4: Simplify right side
    56,413.34x = 2,433,740,826.28
  5. Step 5: Solve for x
    x = 2,433,740,826.28/56,413.34
  6. Step 6: Final answer
    x = 43,141.23

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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.