Home / 56,346.48-77,676.84-45,049.68

Finding the Fourth Proportional to 56,346.48, 77,676.84 and 45,049.68

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Solution

The fourth proportional to 56,346.48, 77,676.84 and 45,049.68 is: 62,103.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,346.48 : 77,676.84 = 45,049.68 : x
  2. Step 2: Convert to fraction form
    56,346.48/77,676.84 = 45,049.68/x
  3. Step 3: Cross multiply
    56,346.48x = 77,676.84 × 45,049.68
  4. Step 4: Simplify right side
    56,346.48x = 3,499,316,785.41
  5. Step 5: Solve for x
    x = 3,499,316,785.41/56,346.48
  6. Step 6: Final answer
    x = 62,103.56

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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.