Home / 77,810.40-116,734.08-33,437.58

Finding the Fourth Proportional to 77,810.40, 116,734.08 and 33,437.58

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Solution

The fourth proportional to 77,810.40, 116,734.08 and 33,437.58 is: 50,164.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,810.40 : 116,734.08 = 33,437.58 : x
  2. Step 2: Convert to fraction form
    77,810.40/116,734.08 = 33,437.58/x
  3. Step 3: Cross multiply
    77,810.40x = 116,734.08 × 33,437.58
  4. Step 4: Simplify right side
    77,810.40x = 3,903,305,138.73
  5. Step 5: Solve for x
    x = 3,903,305,138.73/77,810.40
  6. Step 6: Final answer
    x = 50,164.31

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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.