Home / 75,713.19-113,497.48-28,315.43

Finding the Fourth Proportional to 75,713.19, 113,497.48 and 28,315.43

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Solution

The fourth proportional to 75,713.19, 113,497.48 and 28,315.43 is: 42,446.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,713.19 : 113,497.48 = 28,315.43 : x
  2. Step 2: Convert to fraction form
    75,713.19/113,497.48 = 28,315.43/x
  3. Step 3: Cross multiply
    75,713.19x = 113,497.48 × 28,315.43
  4. Step 4: Simplify right side
    75,713.19x = 3,213,729,950.12
  5. Step 5: Solve for x
    x = 3,213,729,950.12/75,713.19
  6. Step 6: Final answer
    x = 42,446.10

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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.