Home / 56,179.10-77,558.30-38,300.38

Finding the Fourth Proportional to 56,179.10, 77,558.30 and 38,300.38

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Solution

The fourth proportional to 56,179.10, 77,558.30 and 38,300.38 is: 52,875.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,179.10 : 77,558.30 = 38,300.38 : x
  2. Step 2: Convert to fraction form
    56,179.10/77,558.30 = 38,300.38/x
  3. Step 3: Cross multiply
    56,179.10x = 77,558.30 × 38,300.38
  4. Step 4: Simplify right side
    56,179.10x = 2,970,511,782.86
  5. Step 5: Solve for x
    x = 2,970,511,782.86/56,179.10
  6. Step 6: Final answer
    x = 52,875.75

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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.