Home / 83,719.75-115,533.30-45,996.43

Finding the Fourth Proportional to 83,719.75, 115,533.30 and 45,996.43

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Solution

The fourth proportional to 83,719.75, 115,533.30 and 45,996.43 is: 63,475.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,719.75 : 115,533.30 = 45,996.43 : x
  2. Step 2: Convert to fraction form
    83,719.75/115,533.30 = 45,996.43/x
  3. Step 3: Cross multiply
    83,719.75x = 115,533.30 × 45,996.43
  4. Step 4: Simplify right side
    83,719.75x = 5,314,119,346.12
  5. Step 5: Solve for x
    x = 5,314,119,346.12/83,719.75
  6. Step 6: Final answer
    x = 63,475.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.