Home / 103,413.02-142,694.42-58,082.32

Finding the Fourth Proportional to 103,413.02, 142,694.42 and 58,082.32

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Solution

The fourth proportional to 103,413.02, 142,694.42 and 58,082.32 is: 80,144.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,413.02 : 142,694.42 = 58,082.32 : x
  2. Step 2: Convert to fraction form
    103,413.02/142,694.42 = 58,082.32/x
  3. Step 3: Cross multiply
    103,413.02x = 142,694.42 × 58,082.32
  4. Step 4: Simplify right side
    103,413.02x = 8,288,022,458.35
  5. Step 5: Solve for x
    x = 8,288,022,458.35/103,413.02
  6. Step 6: Final answer
    x = 80,144.87

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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.