Home / 69,836.72-96,376.84-39,623.31

Finding the Fourth Proportional to 69,836.72, 96,376.84 and 39,623.31

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Solution

The fourth proportional to 69,836.72, 96,376.84 and 39,623.31 is: 54,681.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,836.72 : 96,376.84 = 39,623.31 : x
  2. Step 2: Convert to fraction form
    69,836.72/96,376.84 = 39,623.31/x
  3. Step 3: Cross multiply
    69,836.72x = 96,376.84 × 39,623.31
  4. Step 4: Simplify right side
    69,836.72x = 3,818,769,309.08
  5. Step 5: Solve for x
    x = 3,818,769,309.08/69,836.72
  6. Step 6: Final answer
    x = 54,681.40

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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.