Home / 76,415.02-114,625.47-36,413.38

Finding the Fourth Proportional to 76,415.02, 114,625.47 and 36,413.38

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Solution

The fourth proportional to 76,415.02, 114,625.47 and 36,413.38 is: 54,621.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,415.02 : 114,625.47 = 36,413.38 : x
  2. Step 2: Convert to fraction form
    76,415.02/114,625.47 = 36,413.38/x
  3. Step 3: Cross multiply
    76,415.02x = 114,625.47 × 36,413.38
  4. Step 4: Simplify right side
    76,415.02x = 4,173,900,796.79
  5. Step 5: Solve for x
    x = 4,173,900,796.79/76,415.02
  6. Step 6: Final answer
    x = 54,621.47

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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.