Home / 54,986.84-82,480.28-31,598.36

Finding the Fourth Proportional to 54,986.84, 82,480.28 and 31,598.36

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Solution

The fourth proportional to 54,986.84, 82,480.28 and 31,598.36 is: 47,397.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,986.84 : 82,480.28 = 31,598.36 : x
  2. Step 2: Convert to fraction form
    54,986.84/82,480.28 = 31,598.36/x
  3. Step 3: Cross multiply
    54,986.84x = 82,480.28 × 31,598.36
  4. Step 4: Simplify right side
    54,986.84x = 2,606,241,580.34
  5. Step 5: Solve for x
    x = 2,606,241,580.34/54,986.84
  6. Step 6: Final answer
    x = 47,397.55

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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.