Home / 71,311.59-98,406.08-39,039.96

Finding the Fourth Proportional to 71,311.59, 98,406.08 and 39,039.96

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Solution

The fourth proportional to 71,311.59, 98,406.08 and 39,039.96 is: 53,873.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,311.59 : 98,406.08 = 39,039.96 : x
  2. Step 2: Convert to fraction form
    71,311.59/98,406.08 = 39,039.96/x
  3. Step 3: Cross multiply
    71,311.59x = 98,406.08 × 39,039.96
  4. Step 4: Simplify right side
    71,311.59x = 3,841,769,426.96
  5. Step 5: Solve for x
    x = 3,841,769,426.96/71,311.59
  6. Step 6: Final answer
    x = 53,873.00

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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.