Home / 75,664.93-104,413.57-43,397.87

Finding the Fourth Proportional to 75,664.93, 104,413.57 and 43,397.87

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Solution

The fourth proportional to 75,664.93, 104,413.57 and 43,397.87 is: 59,886.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,664.93 : 104,413.57 = 43,397.87 : x
  2. Step 2: Convert to fraction form
    75,664.93/104,413.57 = 43,397.87/x
  3. Step 3: Cross multiply
    75,664.93x = 104,413.57 × 43,397.87
  4. Step 4: Simplify right side
    75,664.93x = 4,531,326,689.64
  5. Step 5: Solve for x
    x = 4,531,326,689.64/75,664.93
  6. Step 6: Final answer
    x = 59,886.75

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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.