Home / 76,913.64-115,389.03-28,882.65

Finding the Fourth Proportional to 76,913.64, 115,389.03 and 28,882.65

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Solution

The fourth proportional to 76,913.64, 115,389.03 and 28,882.65 is: 43,330.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,913.64 : 115,389.03 = 28,882.65 : x
  2. Step 2: Convert to fraction form
    76,913.64/115,389.03 = 28,882.65/x
  3. Step 3: Cross multiply
    76,913.64x = 115,389.03 × 28,882.65
  4. Step 4: Simplify right side
    76,913.64x = 3,332,740,967.33
  5. Step 5: Solve for x
    x = 3,332,740,967.33/76,913.64
  6. Step 6: Final answer
    x = 43,330.95

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1.5x scale

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.