Home / 75,204.65-103,782.33-41,215.28

Finding the Fourth Proportional to 75,204.65, 103,782.33 and 41,215.28

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Solution

The fourth proportional to 75,204.65, 103,782.33 and 41,215.28 is: 56,877.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,204.65 : 103,782.33 = 41,215.28 : x
  2. Step 2: Convert to fraction form
    75,204.65/103,782.33 = 41,215.28/x
  3. Step 3: Cross multiply
    75,204.65x = 103,782.33 × 41,215.28
  4. Step 4: Simplify right side
    75,204.65x = 4,277,417,271.09
  5. Step 5: Solve for x
    x = 4,277,417,271.09/75,204.65
  6. Step 6: Final answer
    x = 56,877.03

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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.