Home / 85,413.13-117,861.18-49,596.16

Finding the Fourth Proportional to 85,413.13, 117,861.18 and 49,596.16

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Solution

The fourth proportional to 85,413.13, 117,861.18 and 49,596.16 is: 68,437.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,413.13 : 117,861.18 = 49,596.16 : x
  2. Step 2: Convert to fraction form
    85,413.13/117,861.18 = 49,596.16/x
  3. Step 3: Cross multiply
    85,413.13x = 117,861.18 × 49,596.16
  4. Step 4: Simplify right side
    85,413.13x = 5,845,461,941.07
  5. Step 5: Solve for x
    x = 5,845,461,941.07/85,413.13
  6. Step 6: Final answer
    x = 68,437.51

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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.