Home / 56,723.46-78,257.30-56,635.98

Finding the Fourth Proportional to 56,723.46, 78,257.30 and 56,635.98

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Solution

The fourth proportional to 56,723.46, 78,257.30 and 56,635.98 is: 78,136.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,723.46 : 78,257.30 = 56,635.98 : x
  2. Step 2: Convert to fraction form
    56,723.46/78,257.30 = 56,635.98/x
  3. Step 3: Cross multiply
    56,723.46x = 78,257.30 × 56,635.98
  4. Step 4: Simplify right side
    56,723.46x = 4,432,178,594.47
  5. Step 5: Solve for x
    x = 4,432,178,594.47/56,723.46
  6. Step 6: Final answer
    x = 78,136.61

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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.