Home / 56,717.78-84,494.62-54,158.99

Finding the Fourth Proportional to 56,717.78, 84,494.62 and 54,158.99

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Solution

The fourth proportional to 56,717.78, 84,494.62 and 54,158.99 is: 80,682.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,717.78 : 84,494.62 = 54,158.99 : x
  2. Step 2: Convert to fraction form
    56,717.78/84,494.62 = 54,158.99/x
  3. Step 3: Cross multiply
    56,717.78x = 84,494.62 × 54,158.99
  4. Step 4: Simplify right side
    56,717.78x = 4,576,142,924.86
  5. Step 5: Solve for x
    x = 4,576,142,924.86/56,717.78
  6. Step 6: Final answer
    x = 80,682.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.