Home / 84,070.55-116,049.75-61,588.11

Finding the Fourth Proportional to 84,070.55, 116,049.75 and 61,588.11

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Solution

The fourth proportional to 84,070.55, 116,049.75 and 61,588.11 is: 85,015.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,070.55 : 116,049.75 = 61,588.11 : x
  2. Step 2: Convert to fraction form
    84,070.55/116,049.75 = 61,588.11/x
  3. Step 3: Cross multiply
    84,070.55x = 116,049.75 × 61,588.11
  4. Step 4: Simplify right side
    84,070.55x = 7,147,284,319.92
  5. Step 5: Solve for x
    x = 7,147,284,319.92/84,070.55
  6. Step 6: Final answer
    x = 85,015.31

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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.