Home / 85,330.46-117,722.35-53,487.74

Finding the Fourth Proportional to 85,330.46, 117,722.35 and 53,487.74

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Solution

The fourth proportional to 85,330.46, 117,722.35 and 53,487.74 is: 73,791.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,330.46 : 117,722.35 = 53,487.74 : x
  2. Step 2: Convert to fraction form
    85,330.46/117,722.35 = 53,487.74/x
  3. Step 3: Cross multiply
    85,330.46x = 117,722.35 × 53,487.74
  4. Step 4: Simplify right side
    85,330.46x = 6,296,702,448.99
  5. Step 5: Solve for x
    x = 6,296,702,448.99/85,330.46
  6. Step 6: Final answer
    x = 73,791.97

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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.