Home / 116,424.68-160,664.14-64,739.72

Finding the Fourth Proportional to 116,424.68, 160,664.14 and 64,739.72

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Solution

The fourth proportional to 116,424.68, 160,664.14 and 64,739.72 is: 89,339.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,424.68 : 160,664.14 = 64,739.72 : x
  2. Step 2: Convert to fraction form
    116,424.68/160,664.14 = 64,739.72/x
  3. Step 3: Cross multiply
    116,424.68x = 160,664.14 × 64,739.72
  4. Step 4: Simplify right side
    116,424.68x = 10,401,351,437.64
  5. Step 5: Solve for x
    x = 10,401,351,437.64/116,424.68
  6. Step 6: Final answer
    x = 89,339.75

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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.