Home / 69,965.96-96,555.27-39,750.72

Finding the Fourth Proportional to 69,965.96, 96,555.27 and 39,750.72

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Solution

The fourth proportional to 69,965.96, 96,555.27 and 39,750.72 is: 54,857.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,965.96 : 96,555.27 = 39,750.72 : x
  2. Step 2: Convert to fraction form
    69,965.96/96,555.27 = 39,750.72/x
  3. Step 3: Cross multiply
    69,965.96x = 96,555.27 × 39,750.72
  4. Step 4: Simplify right side
    69,965.96x = 3,838,141,502.29
  5. Step 5: Solve for x
    x = 3,838,141,502.29/69,965.96
  6. Step 6: Final answer
    x = 54,857.27

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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.