Home / 117,413.52-162,030.64-67,113.60

Finding the Fourth Proportional to 117,413.52, 162,030.64 and 67,113.60

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Solution

The fourth proportional to 117,413.52, 162,030.64 and 67,113.60 is: 92,616.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,413.52 : 162,030.64 = 67,113.60 : x
  2. Step 2: Convert to fraction form
    117,413.52/162,030.64 = 67,113.60/x
  3. Step 3: Cross multiply
    117,413.52x = 162,030.64 × 67,113.60
  4. Step 4: Simplify right side
    117,413.52x = 10,874,459,560.70
  5. Step 5: Solve for x
    x = 10,874,459,560.70/117,413.52
  6. Step 6: Final answer
    x = 92,616.76

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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.