Home / 69,281.12-95,599.81-39,064.64

Finding the Fourth Proportional to 69,281.12, 95,599.81 and 39,064.64

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Solution

The fourth proportional to 69,281.12, 95,599.81 and 39,064.64 is: 53,904.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,281.12 : 95,599.81 = 39,064.64 : x
  2. Step 2: Convert to fraction form
    69,281.12/95,599.81 = 39,064.64/x
  3. Step 3: Cross multiply
    69,281.12x = 95,599.81 × 39,064.64
  4. Step 4: Simplify right side
    69,281.12x = 3,734,572,161.72
  5. Step 5: Solve for x
    x = 3,734,572,161.72/69,281.12
  6. Step 6: Final answer
    x = 53,904.62

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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.