Home / 76,762.08-114,930.50-39,241.35

Finding the Fourth Proportional to 76,762.08, 114,930.50 and 39,241.35

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Solution

The fourth proportional to 76,762.08, 114,930.50 and 39,241.35 is: 58,753.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,762.08 : 114,930.50 = 39,241.35 : x
  2. Step 2: Convert to fraction form
    76,762.08/114,930.50 = 39,241.35/x
  3. Step 3: Cross multiply
    76,762.08x = 114,930.50 × 39,241.35
  4. Step 4: Simplify right side
    76,762.08x = 4,510,027,779.97
  5. Step 5: Solve for x
    x = 4,510,027,779.97/76,762.08
  6. Step 6: Final answer
    x = 58,753.33

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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.