Home / 76,860.20-106,116.48-48,219.16

Finding the Fourth Proportional to 76,860.20, 106,116.48 and 48,219.16

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Solution

The fourth proportional to 76,860.20, 106,116.48 and 48,219.16 is: 66,573.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,860.20 : 106,116.48 = 48,219.16 : x
  2. Step 2: Convert to fraction form
    76,860.20/106,116.48 = 48,219.16/x
  3. Step 3: Cross multiply
    76,860.20x = 106,116.48 × 48,219.16
  4. Step 4: Simplify right side
    76,860.20x = 5,116,847,527.76
  5. Step 5: Solve for x
    x = 5,116,847,527.76/76,860.20
  6. Step 6: Final answer
    x = 66,573.43

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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.