Home / 69,837.75-96,379.13-39,623.13

Finding the Fourth Proportional to 69,837.75, 96,379.13 and 39,623.13

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Solution

The fourth proportional to 69,837.75, 96,379.13 and 39,623.13 is: 54,681.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,837.75 : 96,379.13 = 39,623.13 : x
  2. Step 2: Convert to fraction form
    69,837.75/96,379.13 = 39,623.13/x
  3. Step 3: Cross multiply
    69,837.75x = 96,379.13 × 39,623.13
  4. Step 4: Simplify right side
    69,837.75x = 3,818,842,896.33
  5. Step 5: Solve for x
    x = 3,818,842,896.33/69,837.75
  6. Step 6: Final answer
    x = 54,681.64

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1.5x scale

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.