Home / 84,413.37-126,563.80-46,480.50

Finding the Fourth Proportional to 84,413.37, 126,563.80 and 46,480.50

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Solution

The fourth proportional to 84,413.37, 126,563.80 and 46,480.50 is: 69,689.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,413.37 : 126,563.80 = 46,480.50 : x
  2. Step 2: Convert to fraction form
    84,413.37/126,563.80 = 46,480.50/x
  3. Step 3: Cross multiply
    84,413.37x = 126,563.80 × 46,480.50
  4. Step 4: Simplify right side
    84,413.37x = 5,882,748,705.90
  5. Step 5: Solve for x
    x = 5,882,748,705.90/84,413.37
  6. Step 6: Final answer
    x = 69,689.77

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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.