Home / 117,799.76-162,567.32-66,814.56

Finding the Fourth Proportional to 117,799.76, 162,567.32 and 66,814.56

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Solution

The fourth proportional to 117,799.76, 162,567.32 and 66,814.56 is: 92,206.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,799.76 : 162,567.32 = 66,814.56 : x
  2. Step 2: Convert to fraction form
    117,799.76/162,567.32 = 66,814.56/x
  3. Step 3: Cross multiply
    117,799.76x = 162,567.32 × 66,814.56
  4. Step 4: Simplify right side
    117,799.76x = 10,861,864,455.16
  5. Step 5: Solve for x
    x = 10,861,864,455.16/117,799.76
  6. Step 6: Final answer
    x = 92,206.17

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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.