Home / 51,973.94-71,742.47-30,753.16

Finding the Fourth Proportional to 51,973.94, 71,742.47 and 30,753.16

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Solution

The fourth proportional to 51,973.94, 71,742.47 and 30,753.16 is: 42,450.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,973.94 : 71,742.47 = 30,753.16 : x
  2. Step 2: Convert to fraction form
    51,973.94/71,742.47 = 30,753.16/x
  3. Step 3: Cross multiply
    51,973.94x = 71,742.47 × 30,753.16
  4. Step 4: Simplify right side
    51,973.94x = 2,206,307,658.71
  5. Step 5: Solve for x
    x = 2,206,307,658.71/51,973.94
  6. Step 6: Final answer
    x = 42,450.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.