Home / 76,287.69-114,283.94-42,906.33

Finding the Fourth Proportional to 76,287.69, 114,283.94 and 42,906.33

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Solution

The fourth proportional to 76,287.69, 114,283.94 and 42,906.33 is: 64,276.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,287.69 : 114,283.94 = 42,906.33 : x
  2. Step 2: Convert to fraction form
    76,287.69/114,283.94 = 42,906.33/x
  3. Step 3: Cross multiply
    76,287.69x = 114,283.94 × 42,906.33
  4. Step 4: Simplify right side
    76,287.69x = 4,903,504,228.81
  5. Step 5: Solve for x
    x = 4,903,504,228.81/76,287.69
  6. Step 6: Final answer
    x = 64,276.48

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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.