Home / 56,370.43-77,700.85-38,215.59

Finding the Fourth Proportional to 56,370.43, 77,700.85 and 38,215.59

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Solution

The fourth proportional to 56,370.43, 77,700.85 and 38,215.59 is: 52,676.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,370.43 : 77,700.85 = 38,215.59 : x
  2. Step 2: Convert to fraction form
    56,370.43/77,700.85 = 38,215.59/x
  3. Step 3: Cross multiply
    56,370.43x = 77,700.85 × 38,215.59
  4. Step 4: Simplify right side
    56,370.43x = 2,969,383,826.25
  5. Step 5: Solve for x
    x = 2,969,383,826.25/56,370.43
  6. Step 6: Final answer
    x = 52,676.27

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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.