Home / 77,861.10-116,364.98-56,845.41

Finding the Fourth Proportional to 77,861.10, 116,364.98 and 56,845.41

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Solution

The fourth proportional to 77,861.10, 116,364.98 and 56,845.41 is: 84,956.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,861.10 : 116,364.98 = 56,845.41 : x
  2. Step 2: Convert to fraction form
    77,861.10/116,364.98 = 56,845.41/x
  3. Step 3: Cross multiply
    77,861.10x = 116,364.98 × 56,845.41
  4. Step 4: Simplify right side
    77,861.10x = 6,614,814,997.74
  5. Step 5: Solve for x
    x = 6,614,814,997.74/77,861.10
  6. Step 6: Final answer
    x = 84,956.61

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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.