Home / 65,840.30-98,760.45-48,344.30

Finding the Fourth Proportional to 65,840.30, 98,760.45 and 48,344.30

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Solution

The fourth proportional to 65,840.30, 98,760.45 and 48,344.30 is: 72,516.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,840.30 : 98,760.45 = 48,344.30 : x
  2. Step 2: Convert to fraction form
    65,840.30/98,760.45 = 48,344.30/x
  3. Step 3: Cross multiply
    65,840.30x = 98,760.45 × 48,344.30
  4. Step 4: Simplify right side
    65,840.30x = 4,774,504,822.94
  5. Step 5: Solve for x
    x = 4,774,504,822.94/65,840.30
  6. Step 6: Final answer
    x = 72,516.45

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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.