Home / 85,083.30-117,413.01-53,269.74

Finding the Fourth Proportional to 85,083.30, 117,413.01 and 53,269.74

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Solution

The fourth proportional to 85,083.30, 117,413.01 and 53,269.74 is: 73,511.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,083.30 : 117,413.01 = 53,269.74 : x
  2. Step 2: Convert to fraction form
    85,083.30/117,413.01 = 53,269.74/x
  3. Step 3: Cross multiply
    85,083.30x = 117,413.01 × 53,269.74
  4. Step 4: Simplify right side
    85,083.30x = 6,254,560,515.32
  5. Step 5: Solve for x
    x = 6,254,560,515.32/85,083.30
  6. Step 6: Final answer
    x = 73,511.02

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1.5x scale

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.