Home / 71,167.37-98,213.06-38,903.77

Finding the Fourth Proportional to 71,167.37, 98,213.06 and 38,903.77

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Solution

The fourth proportional to 71,167.37, 98,213.06 and 38,903.77 is: 53,688.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,167.37 : 98,213.06 = 38,903.77 : x
  2. Step 2: Convert to fraction form
    71,167.37/98,213.06 = 38,903.77/x
  3. Step 3: Cross multiply
    71,167.37x = 98,213.06 × 38,903.77
  4. Step 4: Simplify right side
    71,167.37x = 3,820,857,857.18
  5. Step 5: Solve for x
    x = 3,820,857,857.18/71,167.37
  6. Step 6: Final answer
    x = 53,688.34

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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.