Home / 51,899.16-71,607.66-31,748.68

Finding the Fourth Proportional to 51,899.16, 71,607.66 and 31,748.68

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Solution

The fourth proportional to 51,899.16, 71,607.66 and 31,748.68 is: 43,805.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,899.16 : 71,607.66 = 31,748.68 : x
  2. Step 2: Convert to fraction form
    51,899.16/71,607.66 = 31,748.68/x
  3. Step 3: Cross multiply
    51,899.16x = 71,607.66 × 31,748.68
  4. Step 4: Simplify right side
    51,899.16x = 2,273,448,682.89
  5. Step 5: Solve for x
    x = 2,273,448,682.89/51,899.16
  6. Step 6: Final answer
    x = 43,805.12

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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.