Home / 75,967.34-113,955.86-29,220.21

Finding the Fourth Proportional to 75,967.34, 113,955.86 and 29,220.21

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Solution

The fourth proportional to 75,967.34, 113,955.86 and 29,220.21 is: 43,832.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,967.34 : 113,955.86 = 29,220.21 : x
  2. Step 2: Convert to fraction form
    75,967.34/113,955.86 = 29,220.21/x
  3. Step 3: Cross multiply
    75,967.34x = 113,955.86 × 29,220.21
  4. Step 4: Simplify right side
    75,967.34x = 3,329,814,232.98
  5. Step 5: Solve for x
    x = 3,329,814,232.98/75,967.34
  6. Step 6: Final answer
    x = 43,832.18

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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.