Home / 82,939.04-114,455.78-45,213.28

Finding the Fourth Proportional to 82,939.04, 114,455.78 and 45,213.28

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Solution

The fourth proportional to 82,939.04, 114,455.78 and 45,213.28 is: 62,394.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,939.04 : 114,455.78 = 45,213.28 : x
  2. Step 2: Convert to fraction form
    82,939.04/114,455.78 = 45,213.28/x
  3. Step 3: Cross multiply
    82,939.04x = 114,455.78 × 45,213.28
  4. Step 4: Simplify right side
    82,939.04x = 5,174,921,228.76
  5. Step 5: Solve for x
    x = 5,174,921,228.76/82,939.04
  6. Step 6: Final answer
    x = 62,394.27

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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.