Home / 82,921.92-114,430.56-45,195.84

Finding the Fourth Proportional to 82,921.92, 114,430.56 and 45,195.84

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Solution

The fourth proportional to 82,921.92, 114,430.56 and 45,195.84 is: 62,369.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,921.92 : 114,430.56 = 45,195.84 : x
  2. Step 2: Convert to fraction form
    82,921.92/114,430.56 = 45,195.84/x
  3. Step 3: Cross multiply
    82,921.92x = 114,430.56 × 45,195.84
  4. Step 4: Simplify right side
    82,921.92x = 5,171,785,280.87
  5. Step 5: Solve for x
    x = 5,171,785,280.87/82,921.92
  6. Step 6: Final answer
    x = 62,369.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.