Home / 85,652.16-118,197.01-47,413.37

Finding the Fourth Proportional to 85,652.16, 118,197.01 and 47,413.37

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Solution

The fourth proportional to 85,652.16, 118,197.01 and 47,413.37 is: 65,428.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,652.16 : 118,197.01 = 47,413.37 : x
  2. Step 2: Convert to fraction form
    85,652.16/118,197.01 = 47,413.37/x
  3. Step 3: Cross multiply
    85,652.16x = 118,197.01 × 47,413.37
  4. Step 4: Simplify right side
    85,652.16x = 5,604,118,922.78
  5. Step 5: Solve for x
    x = 5,604,118,922.78/85,652.16
  6. Step 6: Final answer
    x = 65,428.81

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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.