Home / 76,559.28-114,862.24-39,145.60

Finding the Fourth Proportional to 76,559.28, 114,862.24 and 39,145.60

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Solution

The fourth proportional to 76,559.28, 114,862.24 and 39,145.60 is: 58,730.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,559.28 : 114,862.24 = 39,145.60 : x
  2. Step 2: Convert to fraction form
    76,559.28/114,862.24 = 39,145.60/x
  3. Step 3: Cross multiply
    76,559.28x = 114,862.24 × 39,145.60
  4. Step 4: Simplify right side
    76,559.28x = 4,496,351,302.14
  5. Step 5: Solve for x
    x = 4,496,351,302.14/76,559.28
  6. Step 6: Final answer
    x = 58,730.32

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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.