Home / 84,731.76-127,014.96-40,346.56

Finding the Fourth Proportional to 84,731.76, 127,014.96 and 40,346.56

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Solution

The fourth proportional to 84,731.76, 127,014.96 and 40,346.56 is: 60,480.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,731.76 : 127,014.96 = 40,346.56 : x
  2. Step 2: Convert to fraction form
    84,731.76/127,014.96 = 40,346.56/x
  3. Step 3: Cross multiply
    84,731.76x = 127,014.96 × 40,346.56
  4. Step 4: Simplify right side
    84,731.76x = 5,124,616,704.54
  5. Step 5: Solve for x
    x = 5,124,616,704.54/84,731.76
  6. Step 6: Final answer
    x = 60,480.47

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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.