Home / 51,492.05-77,235.51-30,156.76

Finding the Fourth Proportional to 51,492.05, 77,235.51 and 30,156.76

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Solution

The fourth proportional to 51,492.05, 77,235.51 and 30,156.76 is: 45,233.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,492.05 : 77,235.51 = 30,156.76 : x
  2. Step 2: Convert to fraction form
    51,492.05/77,235.51 = 30,156.76/x
  3. Step 3: Cross multiply
    51,492.05x = 77,235.51 × 30,156.76
  4. Step 4: Simplify right side
    51,492.05x = 2,329,172,352.37
  5. Step 5: Solve for x
    x = 2,329,172,352.37/51,492.05
  6. Step 6: Final answer
    x = 45,233.63

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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.