Home / 65,586.40-98,380.14-40,698.88

Finding the Fourth Proportional to 65,586.40, 98,380.14 and 40,698.88

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Solution

The fourth proportional to 65,586.40, 98,380.14 and 40,698.88 is: 61,048.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,586.40 : 98,380.14 = 40,698.88 : x
  2. Step 2: Convert to fraction form
    65,586.40/98,380.14 = 40,698.88/x
  3. Step 3: Cross multiply
    65,586.40x = 98,380.14 × 40,698.88
  4. Step 4: Simplify right side
    65,586.40x = 4,003,961,512.24
  5. Step 5: Solve for x
    x = 4,003,961,512.24/65,586.40
  6. Step 6: Final answer
    x = 61,048.66

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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.