Home / 77,045.50-106,320.74-43,054.26

Finding the Fourth Proportional to 77,045.50, 106,320.74 and 43,054.26

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Solution

The fourth proportional to 77,045.50, 106,320.74 and 43,054.26 is: 59,413.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,045.50 : 106,320.74 = 43,054.26 : x
  2. Step 2: Convert to fraction form
    77,045.50/106,320.74 = 43,054.26/x
  3. Step 3: Cross multiply
    77,045.50x = 106,320.74 × 43,054.26
  4. Step 4: Simplify right side
    77,045.50x = 4,577,560,568.08
  5. Step 5: Solve for x
    x = 4,577,560,568.08/77,045.50
  6. Step 6: Final answer
    x = 59,413.73

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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.