Home / 69,719.51-96,212.66-39,510.59

Finding the Fourth Proportional to 69,719.51, 96,212.66 and 39,510.59

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Solution

The fourth proportional to 69,719.51, 96,212.66 and 39,510.59 is: 54,524.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,719.51 : 96,212.66 = 39,510.59 : x
  2. Step 2: Convert to fraction form
    69,719.51/96,212.66 = 39,510.59/x
  3. Step 3: Cross multiply
    69,719.51x = 96,212.66 × 39,510.59
  4. Step 4: Simplify right side
    69,719.51x = 3,801,418,283.45
  5. Step 5: Solve for x
    x = 3,801,418,283.45/69,719.51
  6. Step 6: Final answer
    x = 54,524.46

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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.