Home / 78,318.08-108,052.08-44,322.56

Finding the Fourth Proportional to 78,318.08, 108,052.08 and 44,322.56

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Solution

The fourth proportional to 78,318.08, 108,052.08 and 44,322.56 is: 61,149.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,318.08 : 108,052.08 = 44,322.56 : x
  2. Step 2: Convert to fraction form
    78,318.08/108,052.08 = 44,322.56/x
  3. Step 3: Cross multiply
    78,318.08x = 108,052.08 × 44,322.56
  4. Step 4: Simplify right side
    78,318.08x = 4,789,144,798.92
  5. Step 5: Solve for x
    x = 4,789,144,798.92/78,318.08
  6. Step 6: Final answer
    x = 61,149.93

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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.