Home / 82,907.28-114,412.05-45,181.50

Finding the Fourth Proportional to 82,907.28, 114,412.05 and 45,181.50

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Solution

The fourth proportional to 82,907.28, 114,412.05 and 45,181.50 is: 62,350.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,907.28 : 114,412.05 = 45,181.50 : x
  2. Step 2: Convert to fraction form
    82,907.28/114,412.05 = 45,181.50/x
  3. Step 3: Cross multiply
    82,907.28x = 114,412.05 × 45,181.50
  4. Step 4: Simplify right side
    82,907.28x = 5,169,308,037.08
  5. Step 5: Solve for x
    x = 5,169,308,037.08/82,907.28
  6. Step 6: Final answer
    x = 62,350.47

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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.