Home / 69,715.47-104,952.54-63,515.33

Finding the Fourth Proportional to 69,715.47, 104,952.54 and 63,515.33

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Solution

The fourth proportional to 69,715.47, 104,952.54 and 63,515.33 is: 95,618.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,715.47 : 104,952.54 = 63,515.33 : x
  2. Step 2: Convert to fraction form
    69,715.47/104,952.54 = 63,515.33/x
  3. Step 3: Cross multiply
    69,715.47x = 104,952.54 × 63,515.33
  4. Step 4: Simplify right side
    69,715.47x = 6,666,094,687.68
  5. Step 5: Solve for x
    x = 6,666,094,687.68/69,715.47
  6. Step 6: Final answer
    x = 95,618.59

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.