Home / 56,951.75-78,593.57-31,457.66

Finding the Fourth Proportional to 56,951.75, 78,593.57 and 31,457.66

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Solution

The fourth proportional to 56,951.75, 78,593.57 and 31,457.66 is: 43,411.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,951.75 : 78,593.57 = 31,457.66 : x
  2. Step 2: Convert to fraction form
    56,951.75/78,593.57 = 31,457.66/x
  3. Step 3: Cross multiply
    56,951.75x = 78,593.57 × 31,457.66
  4. Step 4: Simplify right side
    56,951.75x = 2,472,369,252.99
  5. Step 5: Solve for x
    x = 2,472,369,252.99/56,951.75
  6. Step 6: Final answer
    x = 43,411.64

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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.