Home / 79,011.96-118,564.56-29,126.88

Finding the Fourth Proportional to 79,011.96, 118,564.56 and 29,126.88

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Solution

The fourth proportional to 79,011.96, 118,564.56 and 29,126.88 is: 43,707.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,011.96 : 118,564.56 = 29,126.88 : x
  2. Step 2: Convert to fraction form
    79,011.96/118,564.56 = 29,126.88/x
  3. Step 3: Cross multiply
    79,011.96x = 118,564.56 × 29,126.88
  4. Step 4: Simplify right side
    79,011.96x = 3,453,415,711.37
  5. Step 5: Solve for x
    x = 3,453,415,711.37/79,011.96
  6. Step 6: Final answer
    x = 43,707.51

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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.