Home / 65,999.30-98,636.38-48,267.32

Finding the Fourth Proportional to 65,999.30, 98,636.38 and 48,267.32

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Solution

The fourth proportional to 65,999.30, 98,636.38 and 48,267.32 is: 72,135.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,999.30 : 98,636.38 = 48,267.32 : x
  2. Step 2: Convert to fraction form
    65,999.30/98,636.38 = 48,267.32/x
  3. Step 3: Cross multiply
    65,999.30x = 98,636.38 × 48,267.32
  4. Step 4: Simplify right side
    65,999.30x = 4,760,913,103.25
  5. Step 5: Solve for x
    x = 4,760,913,103.25/65,999.30
  6. Step 6: Final answer
    x = 72,135.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.