Home / 82,533.78-123,800.70-45,073.36

Finding the Fourth Proportional to 82,533.78, 123,800.70 and 45,073.36

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Solution

The fourth proportional to 82,533.78, 123,800.70 and 45,073.36 is: 67,610.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,533.78 : 123,800.70 = 45,073.36 : x
  2. Step 2: Convert to fraction form
    82,533.78/123,800.70 = 45,073.36/x
  3. Step 3: Cross multiply
    82,533.78x = 123,800.70 × 45,073.36
  4. Step 4: Simplify right side
    82,533.78x = 5,580,113,519.35
  5. Step 5: Solve for x
    x = 5,580,113,519.35/82,533.78
  6. Step 6: Final answer
    x = 67,610.06

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1.5x scale

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.