Home / 54,973.31-82,459.76-19,904.76

Finding the Fourth Proportional to 54,973.31, 82,459.76 and 19,904.76

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Solution

The fourth proportional to 54,973.31, 82,459.76 and 19,904.76 is: 29,857.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,973.31 : 82,459.76 = 19,904.76 : x
  2. Step 2: Convert to fraction form
    54,973.31/82,459.76 = 19,904.76/x
  3. Step 3: Cross multiply
    54,973.31x = 82,459.76 × 19,904.76
  4. Step 4: Simplify right side
    54,973.31x = 1,641,341,632.93
  5. Step 5: Solve for x
    x = 1,641,341,632.93/54,973.31
  6. Step 6: Final answer
    x = 29,857.07

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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.