Home / 106,316.75-159,475.43-72,935.64

Finding the Fourth Proportional to 106,316.75, 159,475.43 and 72,935.64

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Solution

The fourth proportional to 106,316.75, 159,475.43 and 72,935.64 is: 109,403.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,316.75 : 159,475.43 = 72,935.64 : x
  2. Step 2: Convert to fraction form
    106,316.75/159,475.43 = 72,935.64/x
  3. Step 3: Cross multiply
    106,316.75x = 159,475.43 × 72,935.64
  4. Step 4: Simplify right side
    106,316.75x = 11,631,442,733.66
  5. Step 5: Solve for x
    x = 11,631,442,733.66/106,316.75
  6. Step 6: Final answer
    x = 109,403.67

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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.