Home / 71,941.16-99,312.23-51,257.99

Finding the Fourth Proportional to 71,941.16, 99,312.23 and 51,257.99

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Solution

The fourth proportional to 71,941.16, 99,312.23 and 51,257.99 is: 70,759.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,941.16 : 99,312.23 = 51,257.99 : x
  2. Step 2: Convert to fraction form
    71,941.16/99,312.23 = 51,257.99/x
  3. Step 3: Cross multiply
    71,941.16x = 99,312.23 × 51,257.99
  4. Step 4: Simplify right side
    71,941.16x = 5,090,545,668.64
  5. Step 5: Solve for x
    x = 5,090,545,668.64/71,941.16
  6. Step 6: Final answer
    x = 70,759.85

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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.