Home / 45,057.78-67,610.73-29,259.06

Finding the Fourth Proportional to 45,057.78, 67,610.73 and 29,259.06

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Solution

The fourth proportional to 45,057.78, 67,610.73 and 29,259.06 is: 43,904.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,057.78 : 67,610.73 = 29,259.06 : x
  2. Step 2: Convert to fraction form
    45,057.78/67,610.73 = 29,259.06/x
  3. Step 3: Cross multiply
    45,057.78x = 67,610.73 × 29,259.06
  4. Step 4: Simplify right side
    45,057.78x = 1,978,226,405.71
  5. Step 5: Solve for x
    x = 1,978,226,405.71/45,057.78
  6. Step 6: Final answer
    x = 43,904.21

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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.