Home / 84,365.96-116,520.73-57,461.81

Finding the Fourth Proportional to 84,365.96, 116,520.73 and 57,461.81

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Solution

The fourth proportional to 84,365.96, 116,520.73 and 57,461.81 is: 79,362.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,365.96 : 116,520.73 = 57,461.81 : x
  2. Step 2: Convert to fraction form
    84,365.96/116,520.73 = 57,461.81/x
  3. Step 3: Cross multiply
    84,365.96x = 116,520.73 × 57,461.81
  4. Step 4: Simplify right side
    84,365.96x = 6,695,491,322.06
  5. Step 5: Solve for x
    x = 6,695,491,322.06/84,365.96
  6. Step 6: Final answer
    x = 79,362.48

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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.