Home / 45,415.40-68,127.74-17,359.07

Finding the Fourth Proportional to 45,415.40, 68,127.74 and 17,359.07

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Solution

The fourth proportional to 45,415.40, 68,127.74 and 17,359.07 is: 26,040.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,415.40 : 68,127.74 = 17,359.07 : x
  2. Step 2: Convert to fraction form
    45,415.40/68,127.74 = 17,359.07/x
  3. Step 3: Cross multiply
    45,415.40x = 68,127.74 × 17,359.07
  4. Step 4: Simplify right side
    45,415.40x = 1,182,633,845.26
  5. Step 5: Solve for x
    x = 1,182,633,845.26/45,415.40
  6. Step 6: Final answer
    x = 26,040.37

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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.