Home / 77,322.28-115,829.60-50,947.08

Finding the Fourth Proportional to 77,322.28, 115,829.60 and 50,947.08

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Solution

The fourth proportional to 77,322.28, 115,829.60 and 50,947.08 is: 76,319.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,322.28 : 115,829.60 = 50,947.08 : x
  2. Step 2: Convert to fraction form
    77,322.28/115,829.60 = 50,947.08/x
  3. Step 3: Cross multiply
    77,322.28x = 115,829.60 × 50,947.08
  4. Step 4: Simplify right side
    77,322.28x = 5,901,179,897.57
  5. Step 5: Solve for x
    x = 5,901,179,897.57/77,322.28
  6. Step 6: Final answer
    x = 76,319.27

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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.