Home / 57,774.48-79,651.68-45,877.20

Finding the Fourth Proportional to 57,774.48, 79,651.68 and 45,877.20

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Solution

The fourth proportional to 57,774.48, 79,651.68 and 45,877.20 is: 63,249.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,774.48 : 79,651.68 = 45,877.20 : x
  2. Step 2: Convert to fraction form
    57,774.48/79,651.68 = 45,877.20/x
  3. Step 3: Cross multiply
    57,774.48x = 79,651.68 × 45,877.20
  4. Step 4: Simplify right side
    57,774.48x = 3,654,196,053.70
  5. Step 5: Solve for x
    x = 3,654,196,053.70/57,774.48
  6. Step 6: Final answer
    x = 63,249.31

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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.