Home / 54,752.18-75,560.58-30,878.36

Finding the Fourth Proportional to 54,752.18, 75,560.58 and 30,878.36

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Solution

The fourth proportional to 54,752.18, 75,560.58 and 30,878.36 is: 42,613.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,752.18 : 75,560.58 = 30,878.36 : x
  2. Step 2: Convert to fraction form
    54,752.18/75,560.58 = 30,878.36/x
  3. Step 3: Cross multiply
    54,752.18x = 75,560.58 × 30,878.36
  4. Step 4: Simplify right side
    54,752.18x = 2,333,186,791.05
  5. Step 5: Solve for x
    x = 2,333,186,791.05/54,752.18
  6. Step 6: Final answer
    x = 42,613.59

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1.5x scale

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.