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Finding the Fourth Proportional to 95,649.28, 132,004 and 53,215.84

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Solution

The fourth proportional to 95,649.28, 132,004 and 53,215.84 is: 73,442.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,649.28 : 132,004 = 53,215.84 : x
  2. Step 2: Convert to fraction form
    95,649.28/132,004 = 53,215.84/x
  3. Step 3: Cross multiply
    95,649.28x = 132,004 × 53,215.84
  4. Step 4: Simplify right side
    95,649.28x = 7,024,703,743.36
  5. Step 5: Solve for x
    x = 7,024,703,743.36/95,649.28
  6. Step 6: Final answer
    x = 73,442.31

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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.