Home / 51,477.56-77,066.10-31,696.76

Finding the Fourth Proportional to 51,477.56, 77,066.10 and 31,696.76

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Solution

The fourth proportional to 51,477.56, 77,066.10 and 31,696.76 is: 47,452.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,477.56 : 77,066.10 = 31,696.76 : x
  2. Step 2: Convert to fraction form
    51,477.56/77,066.10 = 31,696.76/x
  3. Step 3: Cross multiply
    51,477.56x = 77,066.10 × 31,696.76
  4. Step 4: Simplify right side
    51,477.56x = 2,442,745,675.84
  5. Step 5: Solve for x
    x = 2,442,745,675.84/51,477.56
  6. Step 6: Final answer
    x = 47,452.63

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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.