Home / 75,326.79-113,027.04-30,346.28

Finding the Fourth Proportional to 75,326.79, 113,027.04 and 30,346.28

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Solution

The fourth proportional to 75,326.79, 113,027.04 and 30,346.28 is: 45,534.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,326.79 : 113,027.04 = 30,346.28 : x
  2. Step 2: Convert to fraction form
    75,326.79/113,027.04 = 30,346.28/x
  3. Step 3: Cross multiply
    75,326.79x = 113,027.04 × 30,346.28
  4. Step 4: Simplify right side
    75,326.79x = 3,429,949,638.28
  5. Step 5: Solve for x
    x = 3,429,949,638.28/75,326.79
  6. Step 6: Final answer
    x = 45,534.26

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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.