Home / 54,959.02-82,438.73-13,406.02

Finding the Fourth Proportional to 54,959.02, 82,438.73 and 13,406.02

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Solution

The fourth proportional to 54,959.02, 82,438.73 and 13,406.02 is: 20,109.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,959.02 : 82,438.73 = 13,406.02 : x
  2. Step 2: Convert to fraction form
    54,959.02/82,438.73 = 13,406.02/x
  3. Step 3: Cross multiply
    54,959.02x = 82,438.73 × 13,406.02
  4. Step 4: Simplify right side
    54,959.02x = 1,105,175,263.15
  5. Step 5: Solve for x
    x = 1,105,175,263.15/54,959.02
  6. Step 6: Final answer
    x = 20,109.08

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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.