Home / 116,835.73-161,228.64-65,859.04

Finding the Fourth Proportional to 116,835.73, 161,228.64 and 65,859.04

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Solution

The fourth proportional to 116,835.73, 161,228.64 and 65,859.04 is: 90,882.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,835.73 : 161,228.64 = 65,859.04 : x
  2. Step 2: Convert to fraction form
    116,835.73/161,228.64 = 65,859.04/x
  3. Step 3: Cross multiply
    116,835.73x = 161,228.64 × 65,859.04
  4. Step 4: Simplify right side
    116,835.73x = 10,618,363,899.41
  5. Step 5: Solve for x
    x = 10,618,363,899.41/116,835.73
  6. Step 6: Final answer
    x = 90,882.85

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1.5x scale

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.