Home / 69,868.32-96,420.60-39,655.02

Finding the Fourth Proportional to 69,868.32, 96,420.60 and 39,655.02

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Solution

The fourth proportional to 69,868.32, 96,420.60 and 39,655.02 is: 54,725.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,868.32 : 96,420.60 = 39,655.02 : x
  2. Step 2: Convert to fraction form
    69,868.32/96,420.60 = 39,655.02/x
  3. Step 3: Cross multiply
    69,868.32x = 96,420.60 × 39,655.02
  4. Step 4: Simplify right side
    69,868.32x = 3,823,560,821.41
  5. Step 5: Solve for x
    x = 3,823,560,821.41/69,868.32
  6. Step 6: Final answer
    x = 54,725.24

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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.