Home / 77,576.25-107,048.65-43,582.07

Finding the Fourth Proportional to 77,576.25, 107,048.65 and 43,582.07

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Solution

The fourth proportional to 77,576.25, 107,048.65 and 43,582.07 is: 60,139.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,576.25 : 107,048.65 = 43,582.07 : x
  2. Step 2: Convert to fraction form
    77,576.25/107,048.65 = 43,582.07/x
  3. Step 3: Cross multiply
    77,576.25x = 107,048.65 × 43,582.07
  4. Step 4: Simplify right side
    77,576.25x = 4,665,401,222.46
  5. Step 5: Solve for x
    x = 4,665,401,222.46/77,576.25
  6. Step 6: Final answer
    x = 60,139.56

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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.