Home / 104,413.64-156,613.98-45,208.04

Finding the Fourth Proportional to 104,413.64, 156,613.98 and 45,208.04

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Solution

The fourth proportional to 104,413.64, 156,613.98 and 45,208.04 is: 67,809.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,413.64 : 156,613.98 = 45,208.04 : x
  2. Step 2: Convert to fraction form
    104,413.64/156,613.98 = 45,208.04/x
  3. Step 3: Cross multiply
    104,413.64x = 156,613.98 × 45,208.04
  4. Step 4: Simplify right side
    104,413.64x = 7,080,211,072.40
  5. Step 5: Solve for x
    x = 7,080,211,072.40/104,413.64
  6. Step 6: Final answer
    x = 67,809.25

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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.