Home / 65,188.50-97,617.35-54,630.75

Finding the Fourth Proportional to 65,188.50, 97,617.35 and 54,630.75

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Solution

The fourth proportional to 65,188.50, 97,617.35 and 54,630.75 is: 81,807.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,188.50 : 97,617.35 = 54,630.75 : x
  2. Step 2: Convert to fraction form
    65,188.50/97,617.35 = 54,630.75/x
  3. Step 3: Cross multiply
    65,188.50x = 97,617.35 × 54,630.75
  4. Step 4: Simplify right side
    65,188.50x = 5,332,909,546.15
  5. Step 5: Solve for x
    x = 5,332,909,546.15/65,188.50
  6. Step 6: Final answer
    x = 81,807.53

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1.5x scale

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.