Home / 82,735.28-114,174.60-45,009.44

Finding the Fourth Proportional to 82,735.28, 114,174.60 and 45,009.44

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Solution

The fourth proportional to 82,735.28, 114,174.60 and 45,009.44 is: 62,112.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,735.28 : 114,174.60 = 45,009.44 : x
  2. Step 2: Convert to fraction form
    82,735.28/114,174.60 = 45,009.44/x
  3. Step 3: Cross multiply
    82,735.28x = 114,174.60 × 45,009.44
  4. Step 4: Simplify right side
    82,735.28x = 5,138,934,808.22
  5. Step 5: Solve for x
    x = 5,138,934,808.22/82,735.28
  6. Step 6: Final answer
    x = 62,112.98

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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.