Home / 77,020.84-106,287.58-43,029.80

Finding the Fourth Proportional to 77,020.84, 106,287.58 and 43,029.80

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Solution

The fourth proportional to 77,020.84, 106,287.58 and 43,029.80 is: 59,380.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,020.84 : 106,287.58 = 43,029.80 : x
  2. Step 2: Convert to fraction form
    77,020.84/106,287.58 = 43,029.80/x
  3. Step 3: Cross multiply
    77,020.84x = 106,287.58 × 43,029.80
  4. Step 4: Simplify right side
    77,020.84x = 4,573,533,309.88
  5. Step 5: Solve for x
    x = 4,573,533,309.88/77,020.84
  6. Step 6: Final answer
    x = 59,380.47

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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.