Home / 76,921.66-106,199.94-58,982.18

Finding the Fourth Proportional to 76,921.66, 106,199.94 and 58,982.18

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Solution

The fourth proportional to 76,921.66, 106,199.94 and 58,982.18 is: 81,432.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,921.66 : 106,199.94 = 58,982.18 : x
  2. Step 2: Convert to fraction form
    76,921.66/106,199.94 = 58,982.18/x
  3. Step 3: Cross multiply
    76,921.66x = 106,199.94 × 58,982.18
  4. Step 4: Simplify right side
    76,921.66x = 6,263,903,977.07
  5. Step 5: Solve for x
    x = 6,263,903,977.07/76,921.66
  6. Step 6: Final answer
    x = 81,432.25

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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.