Home / 51,457.10-77,133.33-34,818.80

Finding the Fourth Proportional to 51,457.10, 77,133.33 and 34,818.80

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Solution

The fourth proportional to 51,457.10, 77,133.33 and 34,818.80 is: 52,192.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,457.10 : 77,133.33 = 34,818.80 : x
  2. Step 2: Convert to fraction form
    51,457.10/77,133.33 = 34,818.80/x
  3. Step 3: Cross multiply
    51,457.10x = 77,133.33 × 34,818.80
  4. Step 4: Simplify right side
    51,457.10x = 2,685,689,604.94
  5. Step 5: Solve for x
    x = 2,685,689,604.94/51,457.10
  6. Step 6: Final answer
    x = 52,192.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.