Home / 77,938.56-107,562.24-44,415.36

Finding the Fourth Proportional to 77,938.56, 107,562.24 and 44,415.36

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Solution

The fourth proportional to 77,938.56, 107,562.24 and 44,415.36 is: 61,297.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,938.56 : 107,562.24 = 44,415.36 : x
  2. Step 2: Convert to fraction form
    77,938.56/107,562.24 = 44,415.36/x
  3. Step 3: Cross multiply
    77,938.56x = 107,562.24 × 44,415.36
  4. Step 4: Simplify right side
    77,938.56x = 4,777,415,612.01
  5. Step 5: Solve for x
    x = 4,777,415,612.01/77,938.56
  6. Step 6: Final answer
    x = 61,297.20

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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.