Home / 51,666.73-77,315.41-40,496.63

Finding the Fourth Proportional to 51,666.73, 77,315.41 and 40,496.63

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Solution

The fourth proportional to 51,666.73, 77,315.41 and 40,496.63 is: 60,600.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,666.73 : 77,315.41 = 40,496.63 : x
  2. Step 2: Convert to fraction form
    51,666.73/77,315.41 = 40,496.63/x
  3. Step 3: Cross multiply
    51,666.73x = 77,315.41 × 40,496.63
  4. Step 4: Simplify right side
    51,666.73x = 3,131,013,216.11
  5. Step 5: Solve for x
    x = 3,131,013,216.11/51,666.73
  6. Step 6: Final answer
    x = 60,600.18

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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.