Home / 76,998.52-106,259.70-45,190.36

Finding the Fourth Proportional to 76,998.52, 106,259.70 and 45,190.36

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Solution

The fourth proportional to 76,998.52, 106,259.70 and 45,190.36 is: 62,363.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,998.52 : 106,259.70 = 45,190.36 : x
  2. Step 2: Convert to fraction form
    76,998.52/106,259.70 = 45,190.36/x
  3. Step 3: Cross multiply
    76,998.52x = 106,259.70 × 45,190.36
  4. Step 4: Simplify right side
    76,998.52x = 4,801,914,096.49
  5. Step 5: Solve for x
    x = 4,801,914,096.49/76,998.52
  6. Step 6: Final answer
    x = 62,363.72

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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.