Home / 75,852.24-113,714.08-31,451.28

Finding the Fourth Proportional to 75,852.24, 113,714.08 and 31,451.28

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Solution

The fourth proportional to 75,852.24, 113,714.08 and 31,451.28 is: 47,150.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,852.24 : 113,714.08 = 31,451.28 : x
  2. Step 2: Convert to fraction form
    75,852.24/113,714.08 = 31,451.28/x
  3. Step 3: Cross multiply
    75,852.24x = 113,714.08 × 31,451.28
  4. Step 4: Simplify right side
    75,852.24x = 3,576,453,370.02
  5. Step 5: Solve for x
    x = 3,576,453,370.02/75,852.24
  6. Step 6: Final answer
    x = 47,150.27

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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.