Home / 65,108.10-97,667.55-20,733.60

Finding the Fourth Proportional to 65,108.10, 97,667.55 and 20,733.60

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Solution

The fourth proportional to 65,108.10, 97,667.55 and 20,733.60 is: 31,102.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,108.10 : 97,667.55 = 20,733.60 : x
  2. Step 2: Convert to fraction form
    65,108.10/97,667.55 = 20,733.60/x
  3. Step 3: Cross multiply
    65,108.10x = 97,667.55 × 20,733.60
  4. Step 4: Simplify right side
    65,108.10x = 2,024,999,914.68
  5. Step 5: Solve for x
    x = 2,024,999,914.68/65,108.10
  6. Step 6: Final answer
    x = 31,102.12

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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.