Home / 76,214.72-105,180.08-45,999.52

Finding the Fourth Proportional to 76,214.72, 105,180.08 and 45,999.52

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Solution

The fourth proportional to 76,214.72, 105,180.08 and 45,999.52 is: 63,481.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,214.72 : 105,180.08 = 45,999.52 : x
  2. Step 2: Convert to fraction form
    76,214.72/105,180.08 = 45,999.52/x
  3. Step 3: Cross multiply
    76,214.72x = 105,180.08 × 45,999.52
  4. Step 4: Simplify right side
    76,214.72x = 4,838,233,193.56
  5. Step 5: Solve for x
    x = 4,838,233,193.56/76,214.72
  6. Step 6: Final answer
    x = 63,481.61

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1.5x scale

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.