Home / 84,945.60-127,434.51-28,022.94

Finding the Fourth Proportional to 84,945.60, 127,434.51 and 28,022.94

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Solution

The fourth proportional to 84,945.60, 127,434.51 and 28,022.94 is: 42,039.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,945.60 : 127,434.51 = 28,022.94 : x
  2. Step 2: Convert to fraction form
    84,945.60/127,434.51 = 28,022.94/x
  3. Step 3: Cross multiply
    84,945.60x = 127,434.51 × 28,022.94
  4. Step 4: Simplify right side
    84,945.60x = 3,571,089,627.66
  5. Step 5: Solve for x
    x = 3,571,089,627.66/84,945.60
  6. Step 6: Final answer
    x = 42,039.72

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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.