Home / 76,612.20-114,953.10-34,469.16

Finding the Fourth Proportional to 76,612.20, 114,953.10 and 34,469.16

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Solution

The fourth proportional to 76,612.20, 114,953.10 and 34,469.16 is: 51,719.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,612.20 : 114,953.10 = 34,469.16 : x
  2. Step 2: Convert to fraction form
    76,612.20/114,953.10 = 34,469.16/x
  3. Step 3: Cross multiply
    76,612.20x = 114,953.10 × 34,469.16
  4. Step 4: Simplify right side
    76,612.20x = 3,962,336,796.40
  5. Step 5: Solve for x
    x = 3,962,336,796.40/76,612.20
  6. Step 6: Final answer
    x = 51,719.40

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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.