Home / 75,752.40-113,628.58-23,161.88

Finding the Fourth Proportional to 75,752.40, 113,628.58 and 23,161.88

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Solution

The fourth proportional to 75,752.40, 113,628.58 and 23,161.88 is: 34,742.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,752.40 : 113,628.58 = 23,161.88 : x
  2. Step 2: Convert to fraction form
    75,752.40/113,628.58 = 23,161.88/x
  3. Step 3: Cross multiply
    75,752.40x = 113,628.58 × 23,161.88
  4. Step 4: Simplify right side
    75,752.40x = 2,631,851,534.53
  5. Step 5: Solve for x
    x = 2,631,851,534.53/75,752.40
  6. Step 6: Final answer
    x = 34,742.81

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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.