Home / 116,773.11-161,117.24-71,434.53

Finding the Fourth Proportional to 116,773.11, 161,117.24 and 71,434.53

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Solution

The fourth proportional to 116,773.11, 161,117.24 and 71,434.53 is: 98,561.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,773.11 : 161,117.24 = 71,434.53 : x
  2. Step 2: Convert to fraction form
    116,773.11/161,117.24 = 71,434.53/x
  3. Step 3: Cross multiply
    116,773.11x = 161,117.24 × 71,434.53
  4. Step 4: Simplify right side
    116,773.11x = 11,509,333,957.12
  5. Step 5: Solve for x
    x = 11,509,333,957.12/116,773.11
  6. Step 6: Final answer
    x = 98,561.51

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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.