Home / 78,735.12-108,650.52-44,739.12

Finding the Fourth Proportional to 78,735.12, 108,650.52 and 44,739.12

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Solution

The fourth proportional to 78,735.12, 108,650.52 and 44,739.12 is: 61,737.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,735.12 : 108,650.52 = 44,739.12 : x
  2. Step 2: Convert to fraction form
    78,735.12/108,650.52 = 44,739.12/x
  3. Step 3: Cross multiply
    78,735.12x = 108,650.52 × 44,739.12
  4. Step 4: Simplify right side
    78,735.12x = 4,860,928,652.34
  5. Step 5: Solve for x
    x = 4,860,928,652.34/78,735.12
  6. Step 6: Final answer
    x = 61,737.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.