Home / 76,936.32-106,220.34-58,996.98

Finding the Fourth Proportional to 76,936.32, 106,220.34 and 58,996.98

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Solution

The fourth proportional to 76,936.32, 106,220.34 and 58,996.98 is: 81,452.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,936.32 : 106,220.34 = 58,996.98 : x
  2. Step 2: Convert to fraction form
    76,936.32/106,220.34 = 58,996.98/x
  3. Step 3: Cross multiply
    76,936.32x = 106,220.34 × 58,996.98
  4. Step 4: Simplify right side
    76,936.32x = 6,266,679,274.57
  5. Step 5: Solve for x
    x = 6,266,679,274.57/76,936.32
  6. Step 6: Final answer
    x = 81,452.81

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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.