Home / 78,666.56-117,908.26-44,956.22

Finding the Fourth Proportional to 78,666.56, 117,908.26 and 44,956.22

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Solution

The fourth proportional to 78,666.56, 117,908.26 and 44,956.22 is: 67,381.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,666.56 : 117,908.26 = 44,956.22 : x
  2. Step 2: Convert to fraction form
    78,666.56/117,908.26 = 44,956.22/x
  3. Step 3: Cross multiply
    78,666.56x = 117,908.26 × 44,956.22
  4. Step 4: Simplify right side
    78,666.56x = 5,300,708,974.45
  5. Step 5: Solve for x
    x = 5,300,708,974.45/78,666.56
  6. Step 6: Final answer
    x = 67,381.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.