Home / 76,862.99-115,311.54-23,562.36

Finding the Fourth Proportional to 76,862.99, 115,311.54 and 23,562.36

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Solution

The fourth proportional to 76,862.99, 115,311.54 and 23,562.36 is: 35,348.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,862.99 : 115,311.54 = 23,562.36 : x
  2. Step 2: Convert to fraction form
    76,862.99/115,311.54 = 23,562.36/x
  3. Step 3: Cross multiply
    76,862.99x = 115,311.54 × 23,562.36
  4. Step 4: Simplify right side
    76,862.99x = 2,717,012,017.63
  5. Step 5: Solve for x
    x = 2,717,012,017.63/76,862.99
  6. Step 6: Final answer
    x = 35,348.77

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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.