Home / 76,445.06-114,615.27-38,932.54

Finding the Fourth Proportional to 76,445.06, 114,615.27 and 38,932.54

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Solution

The fourth proportional to 76,445.06, 114,615.27 and 38,932.54 is: 58,372.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,445.06 : 114,615.27 = 38,932.54 : x
  2. Step 2: Convert to fraction form
    76,445.06/114,615.27 = 38,932.54/x
  3. Step 3: Cross multiply
    76,445.06x = 114,615.27 × 38,932.54
  4. Step 4: Simplify right side
    76,445.06x = 4,462,263,297.35
  5. Step 5: Solve for x
    x = 4,462,263,297.35/76,445.06
  6. Step 6: Final answer
    x = 58,372.16

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1.5x scale

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.