Home / 83,405.19-125,055.23-70,759.37

Finding the Fourth Proportional to 83,405.19, 125,055.23 and 70,759.37

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Solution

The fourth proportional to 83,405.19, 125,055.23 and 70,759.37 is: 106,094.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,405.19 : 125,055.23 = 70,759.37 : x
  2. Step 2: Convert to fraction form
    83,405.19/125,055.23 = 70,759.37/x
  3. Step 3: Cross multiply
    83,405.19x = 125,055.23 × 70,759.37
  4. Step 4: Simplify right side
    83,405.19x = 8,848,828,310.93
  5. Step 5: Solve for x
    x = 8,848,828,310.93/83,405.19
  6. Step 6: Final answer
    x = 106,094.46

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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.