Home / 76,832.74-106,021.41-42,838.03

Finding the Fourth Proportional to 76,832.74, 106,021.41 and 42,838.03

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Solution

The fourth proportional to 76,832.74, 106,021.41 and 42,838.03 is: 59,112.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,832.74 : 106,021.41 = 42,838.03 : x
  2. Step 2: Convert to fraction form
    76,832.74/106,021.41 = 42,838.03/x
  3. Step 3: Cross multiply
    76,832.74x = 106,021.41 × 42,838.03
  4. Step 4: Simplify right side
    76,832.74x = 4,541,748,342.22
  5. Step 5: Solve for x
    x = 4,541,748,342.22/76,832.74
  6. Step 6: Final answer
    x = 59,112.15

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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.