Home / 69,725.29-96,213.28-39,510.07

Finding the Fourth Proportional to 69,725.29, 96,213.28 and 39,510.07

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Solution

The fourth proportional to 69,725.29, 96,213.28 and 39,510.07 is: 54,519.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,725.29 : 96,213.28 = 39,510.07 : x
  2. Step 2: Convert to fraction form
    69,725.29/96,213.28 = 39,510.07/x
  3. Step 3: Cross multiply
    69,725.29x = 96,213.28 × 39,510.07
  4. Step 4: Simplify right side
    69,725.29x = 3,801,393,427.73
  5. Step 5: Solve for x
    x = 3,801,393,427.73/69,725.29
  6. Step 6: Final answer
    x = 54,519.58

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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.