Home / 84,742.07-126,955.82-60,676.71

Finding the Fourth Proportional to 84,742.07, 126,955.82 and 60,676.71

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Solution

The fourth proportional to 84,742.07, 126,955.82 and 60,676.71 is: 90,902.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,742.07 : 126,955.82 = 60,676.71 : x
  2. Step 2: Convert to fraction form
    84,742.07/126,955.82 = 60,676.71/x
  3. Step 3: Cross multiply
    84,742.07x = 126,955.82 × 60,676.71
  4. Step 4: Simplify right side
    84,742.07x = 7,703,261,148.56
  5. Step 5: Solve for x
    x = 7,703,261,148.56/84,742.07
  6. Step 6: Final answer
    x = 90,902.45

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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.