Home / 116,928.24-161,255.07-76,627.50

Finding the Fourth Proportional to 116,928.24, 161,255.07 and 76,627.50

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Solution

The fourth proportional to 116,928.24, 161,255.07 and 76,627.50 is: 105,676.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,928.24 : 161,255.07 = 76,627.50 : x
  2. Step 2: Convert to fraction form
    116,928.24/161,255.07 = 76,627.50/x
  3. Step 3: Cross multiply
    116,928.24x = 161,255.07 × 76,627.50
  4. Step 4: Simplify right side
    116,928.24x = 12,356,572,876.43
  5. Step 5: Solve for x
    x = 12,356,572,876.43/116,928.24
  6. Step 6: Final answer
    x = 105,676.55

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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.