Home / 84,559.14-126,756.36-47,084.76

Finding the Fourth Proportional to 84,559.14, 126,756.36 and 47,084.76

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Solution

The fourth proportional to 84,559.14, 126,756.36 and 47,084.76 is: 70,581.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,559.14 : 126,756.36 = 47,084.76 : x
  2. Step 2: Convert to fraction form
    84,559.14/126,756.36 = 47,084.76/x
  3. Step 3: Cross multiply
    84,559.14x = 126,756.36 × 47,084.76
  4. Step 4: Simplify right side
    84,559.14x = 5,968,292,789.07
  5. Step 5: Solve for x
    x = 5,968,292,789.07/84,559.14
  6. Step 6: Final answer
    x = 70,581.29

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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.