Home / 69,545.88-104,056.38-39,977.64

Finding the Fourth Proportional to 69,545.88, 104,056.38 and 39,977.64

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Solution

The fourth proportional to 69,545.88, 104,056.38 and 39,977.64 is: 59,815.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,545.88 : 104,056.38 = 39,977.64 : x
  2. Step 2: Convert to fraction form
    69,545.88/104,056.38 = 39,977.64/x
  3. Step 3: Cross multiply
    69,545.88x = 104,056.38 × 39,977.64
  4. Step 4: Simplify right side
    69,545.88x = 4,159,928,499.34
  5. Step 5: Solve for x
    x = 4,159,928,499.34/69,545.88
  6. Step 6: Final answer
    x = 59,815.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.