Home / 116,902.34-161,217.50-73,806.95

Finding the Fourth Proportional to 116,902.34, 161,217.50 and 73,806.95

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Solution

The fourth proportional to 116,902.34, 161,217.50 and 73,806.95 is: 101,785.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,902.34 : 161,217.50 = 73,806.95 : x
  2. Step 2: Convert to fraction form
    116,902.34/161,217.50 = 73,806.95/x
  3. Step 3: Cross multiply
    116,902.34x = 161,217.50 × 73,806.95
  4. Step 4: Simplify right side
    116,902.34x = 11,898,971,155.54
  5. Step 5: Solve for x
    x = 11,898,971,155.54/116,902.34
  6. Step 6: Final answer
    x = 101,785.57

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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.