Home / 75,621.22-113,492.31-34,071.46

Finding the Fourth Proportional to 75,621.22, 113,492.31 and 34,071.46

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Solution

The fourth proportional to 75,621.22, 113,492.31 and 34,071.46 is: 51,134.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,621.22 : 113,492.31 = 34,071.46 : x
  2. Step 2: Convert to fraction form
    75,621.22/113,492.31 = 34,071.46/x
  3. Step 3: Cross multiply
    75,621.22x = 113,492.31 × 34,071.46
  4. Step 4: Simplify right side
    75,621.22x = 3,866,848,700.47
  5. Step 5: Solve for x
    x = 3,866,848,700.47/75,621.22
  6. Step 6: Final answer
    x = 51,134.44

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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.