Home / 76,931.24-115,599.81-41,418.81

Finding the Fourth Proportional to 76,931.24, 115,599.81 and 41,418.81

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Solution

The fourth proportional to 76,931.24, 115,599.81 and 41,418.81 is: 62,237.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,931.24 : 115,599.81 = 41,418.81 : x
  2. Step 2: Convert to fraction form
    76,931.24/115,599.81 = 41,418.81/x
  3. Step 3: Cross multiply
    76,931.24x = 115,599.81 × 41,418.81
  4. Step 4: Simplify right side
    76,931.24x = 4,788,006,566.43
  5. Step 5: Solve for x
    x = 4,788,006,566.43/76,931.24
  6. Step 6: Final answer
    x = 62,237.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.