Home / 54,688.08-82,071-25,139.28

Finding the Fourth Proportional to 54,688.08, 82,071 and 25,139.28

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Solution

The fourth proportional to 54,688.08, 82,071 and 25,139.28 is: 37,726.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,688.08 : 82,071 = 25,139.28 : x
  2. Step 2: Convert to fraction form
    54,688.08/82,071 = 25,139.28/x
  3. Step 3: Cross multiply
    54,688.08x = 82,071 × 25,139.28
  4. Step 4: Simplify right side
    54,688.08x = 2,063,205,848.88
  5. Step 5: Solve for x
    x = 2,063,205,848.88/54,688.08
  6. Step 6: Final answer
    x = 37,726.79

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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.