Home / 58,936.28-81,405.14-42,777.79

Finding the Fourth Proportional to 58,936.28, 81,405.14 and 42,777.79

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Solution

The fourth proportional to 58,936.28, 81,405.14 and 42,777.79 is: 59,086.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,936.28 : 81,405.14 = 42,777.79 : x
  2. Step 2: Convert to fraction form
    58,936.28/81,405.14 = 42,777.79/x
  3. Step 3: Cross multiply
    58,936.28x = 81,405.14 × 42,777.79
  4. Step 4: Simplify right side
    58,936.28x = 3,482,331,566.44
  5. Step 5: Solve for x
    x = 3,482,331,566.44/58,936.28
  6. Step 6: Final answer
    x = 59,086.39

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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.