Home / 65,734.60-98,456.10-56,986.60

Finding the Fourth Proportional to 65,734.60, 98,456.10 and 56,986.60

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Solution

The fourth proportional to 65,734.60, 98,456.10 and 56,986.60 is: 85,353.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,734.60 : 98,456.10 = 56,986.60 : x
  2. Step 2: Convert to fraction form
    65,734.60/98,456.10 = 56,986.60/x
  3. Step 3: Cross multiply
    65,734.60x = 98,456.10 × 56,986.60
  4. Step 4: Simplify right side
    65,734.60x = 5,610,678,388.26
  5. Step 5: Solve for x
    x = 5,610,678,388.26/65,734.60
  6. Step 6: Final answer
    x = 85,353.50

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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.