Home / 76,160.96-105,069.03-45,929.48

Finding the Fourth Proportional to 76,160.96, 105,069.03 and 45,929.48

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Solution

The fourth proportional to 76,160.96, 105,069.03 and 45,929.48 is: 63,362.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,160.96 : 105,069.03 = 45,929.48 : x
  2. Step 2: Convert to fraction form
    76,160.96/105,069.03 = 45,929.48/x
  3. Step 3: Cross multiply
    76,160.96x = 105,069.03 × 45,929.48
  4. Step 4: Simplify right side
    76,160.96x = 4,825,765,912.00
  5. Step 5: Solve for x
    x = 4,825,765,912.00/76,160.96
  6. Step 6: Final answer
    x = 63,362.72

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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.