Home / 57,157.91-78,898.61-46,529.09

Finding the Fourth Proportional to 57,157.91, 78,898.61 and 46,529.09

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Solution

The fourth proportional to 57,157.91, 78,898.61 and 46,529.09 is: 64,226.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,157.91 : 78,898.61 = 46,529.09 : x
  2. Step 2: Convert to fraction form
    57,157.91/78,898.61 = 46,529.09/x
  3. Step 3: Cross multiply
    57,157.91x = 78,898.61 × 46,529.09
  4. Step 4: Simplify right side
    57,157.91x = 3,671,080,247.39
  5. Step 5: Solve for x
    x = 3,671,080,247.39/57,157.91
  6. Step 6: Final answer
    x = 64,226.99

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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.