Home / 56,081.36-77,234.82-54,856.64

Finding the Fourth Proportional to 56,081.36, 77,234.82 and 54,856.64

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Solution

The fourth proportional to 56,081.36, 77,234.82 and 54,856.64 is: 75,548.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,081.36 : 77,234.82 = 54,856.64 : x
  2. Step 2: Convert to fraction form
    56,081.36/77,234.82 = 54,856.64/x
  3. Step 3: Cross multiply
    56,081.36x = 77,234.82 × 54,856.64
  4. Step 4: Simplify right side
    56,081.36x = 4,236,842,703.58
  5. Step 5: Solve for x
    x = 4,236,842,703.58/56,081.36
  6. Step 6: Final answer
    x = 75,548.14

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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.