Home / 54,575.04-81,780.48-36,984

Finding the Fourth Proportional to 54,575.04, 81,780.48 and 36,984

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Solution

The fourth proportional to 54,575.04, 81,780.48 and 36,984 is: 55,420.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,575.04 : 81,780.48 = 36,984 : x
  2. Step 2: Convert to fraction form
    54,575.04/81,780.48 = 36,984/x
  3. Step 3: Cross multiply
    54,575.04x = 81,780.48 × 36,984
  4. Step 4: Simplify right side
    54,575.04x = 3,024,569,272.32
  5. Step 5: Solve for x
    x = 3,024,569,272.32/54,575.04
  6. Step 6: Final answer
    x = 55,420.38

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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.