Home / 74,791.31-112,154.06-28,011.38

Finding the Fourth Proportional to 74,791.31, 112,154.06 and 28,011.38

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Solution

The fourth proportional to 74,791.31, 112,154.06 and 28,011.38 is: 42,004.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,791.31 : 112,154.06 = 28,011.38 : x
  2. Step 2: Convert to fraction form
    74,791.31/112,154.06 = 28,011.38/x
  3. Step 3: Cross multiply
    74,791.31x = 112,154.06 × 28,011.38
  4. Step 4: Simplify right side
    74,791.31x = 3,141,589,502.46
  5. Step 5: Solve for x
    x = 3,141,589,502.46/74,791.31
  6. Step 6: Final answer
    x = 42,004.74

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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.