Home / 54,750.23-82,139.95-17,311.01

Finding the Fourth Proportional to 54,750.23, 82,139.95 and 17,311.01

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Solution

The fourth proportional to 54,750.23, 82,139.95 and 17,311.01 is: 25,971.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,750.23 : 82,139.95 = 17,311.01 : x
  2. Step 2: Convert to fraction form
    54,750.23/82,139.95 = 17,311.01/x
  3. Step 3: Cross multiply
    54,750.23x = 82,139.95 × 17,311.01
  4. Step 4: Simplify right side
    54,750.23x = 1,421,924,998.59
  5. Step 5: Solve for x
    x = 1,421,924,998.59/54,750.23
  6. Step 6: Final answer
    x = 25,971.12

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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.