Home / 54,933.12-75,803.04-31,056.48

Finding the Fourth Proportional to 54,933.12, 75,803.04 and 31,056.48

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Solution

The fourth proportional to 54,933.12, 75,803.04 and 31,056.48 is: 42,855.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,933.12 : 75,803.04 = 31,056.48 : x
  2. Step 2: Convert to fraction form
    54,933.12/75,803.04 = 31,056.48/x
  3. Step 3: Cross multiply
    54,933.12x = 75,803.04 × 31,056.48
  4. Step 4: Simplify right side
    54,933.12x = 2,354,175,595.70
  5. Step 5: Solve for x
    x = 2,354,175,595.70/54,933.12
  6. Step 6: Final answer
    x = 42,855.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.