Home / 54,488.90-75,196.62-30,615.10

Finding the Fourth Proportional to 54,488.90, 75,196.62 and 30,615.10

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Solution

The fourth proportional to 54,488.90, 75,196.62 and 30,615.10 is: 42,249.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,488.90 : 75,196.62 = 30,615.10 : x
  2. Step 2: Convert to fraction form
    54,488.90/75,196.62 = 30,615.10/x
  3. Step 3: Cross multiply
    54,488.90x = 75,196.62 × 30,615.10
  4. Step 4: Simplify right side
    54,488.90x = 2,302,151,852.97
  5. Step 5: Solve for x
    x = 2,302,151,852.97/54,488.90
  6. Step 6: Final answer
    x = 42,249.92

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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.