Home / 52,281.35-78,413.78-43,453.37

Finding the Fourth Proportional to 52,281.35, 78,413.78 and 43,453.37

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Solution

The fourth proportional to 52,281.35, 78,413.78 and 43,453.37 is: 65,173.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,281.35 : 78,413.78 = 43,453.37 : x
  2. Step 2: Convert to fraction form
    52,281.35/78,413.78 = 43,453.37/x
  3. Step 3: Cross multiply
    52,281.35x = 78,413.78 × 43,453.37
  4. Step 4: Simplify right side
    52,281.35x = 3,407,342,386.10
  5. Step 5: Solve for x
    x = 3,407,342,386.10/52,281.35
  6. Step 6: Final answer
    x = 65,173.20

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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.