Home / 75,752.22-104,525.82-45,530.31

Finding the Fourth Proportional to 75,752.22, 104,525.82 and 45,530.31

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Solution

The fourth proportional to 75,752.22, 104,525.82 and 45,530.31 is: 62,824.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,752.22 : 104,525.82 = 45,530.31 : x
  2. Step 2: Convert to fraction form
    75,752.22/104,525.82 = 45,530.31/x
  3. Step 3: Cross multiply
    75,752.22x = 104,525.82 × 45,530.31
  4. Step 4: Simplify right side
    75,752.22x = 4,759,092,987.60
  5. Step 5: Solve for x
    x = 4,759,092,987.60/75,752.22
  6. Step 6: Final answer
    x = 62,824.47

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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.