Home / 76,726.58-115,107.03-23,423.28

Finding the Fourth Proportional to 76,726.58, 115,107.03 and 23,423.28

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Solution

The fourth proportional to 76,726.58, 115,107.03 and 23,423.28 is: 35,140.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,726.58 : 115,107.03 = 23,423.28 : x
  2. Step 2: Convert to fraction form
    76,726.58/115,107.03 = 23,423.28/x
  3. Step 3: Cross multiply
    76,726.58x = 115,107.03 × 23,423.28
  4. Step 4: Simplify right side
    76,726.58x = 2,696,184,193.66
  5. Step 5: Solve for x
    x = 2,696,184,193.66/76,726.58
  6. Step 6: Final answer
    x = 35,140.16

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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.