Home / 65,818.20-98,439.30-58,848.60

Finding the Fourth Proportional to 65,818.20, 98,439.30 and 58,848.60

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Solution

The fourth proportional to 65,818.20, 98,439.30 and 58,848.60 is: 88,015.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,818.20 : 98,439.30 = 58,848.60 : x
  2. Step 2: Convert to fraction form
    65,818.20/98,439.30 = 58,848.60/x
  3. Step 3: Cross multiply
    65,818.20x = 98,439.30 × 58,848.60
  4. Step 4: Simplify right side
    65,818.20x = 5,793,014,989.98
  5. Step 5: Solve for x
    x = 5,793,014,989.98/65,818.20
  6. Step 6: Final answer
    x = 88,015.40

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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.