Home / 76,844.70-106,056.03-45,026.28

Finding the Fourth Proportional to 76,844.70, 106,056.03 and 45,026.28

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Solution

The fourth proportional to 76,844.70, 106,056.03 and 45,026.28 is: 62,142.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,844.70 : 106,056.03 = 45,026.28 : x
  2. Step 2: Convert to fraction form
    76,844.70/106,056.03 = 45,026.28/x
  3. Step 3: Cross multiply
    76,844.70x = 106,056.03 × 45,026.28
  4. Step 4: Simplify right side
    76,844.70x = 4,775,308,502.47
  5. Step 5: Solve for x
    x = 4,775,308,502.47/76,844.70
  6. Step 6: Final answer
    x = 62,142.33

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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.