Home / 65,503.08-98,172.46-28,019.16

Finding the Fourth Proportional to 65,503.08, 98,172.46 and 28,019.16

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Solution

The fourth proportional to 65,503.08, 98,172.46 and 28,019.16 is: 41,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,503.08 : 98,172.46 = 28,019.16 : x
  2. Step 2: Convert to fraction form
    65,503.08/98,172.46 = 28,019.16/x
  3. Step 3: Cross multiply
    65,503.08x = 98,172.46 × 28,019.16
  4. Step 4: Simplify right side
    65,503.08x = 2,750,709,864.33
  5. Step 5: Solve for x
    x = 2,750,709,864.33/65,503.08
  6. Step 6: Final answer
    x = 41,993.60

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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.