Home / 84,070.49-116,049.66-61,588.05

Finding the Fourth Proportional to 84,070.49, 116,049.66 and 61,588.05

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Solution

The fourth proportional to 84,070.49, 116,049.66 and 61,588.05 is: 85,015.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,070.49 : 116,049.66 = 61,588.05 : x
  2. Step 2: Convert to fraction form
    84,070.49/116,049.66 = 61,588.05/x
  3. Step 3: Cross multiply
    84,070.49x = 116,049.66 × 61,588.05
  4. Step 4: Simplify right side
    84,070.49x = 7,147,271,682.31
  5. Step 5: Solve for x
    x = 7,147,271,682.31/84,070.49
  6. Step 6: Final answer
    x = 85,015.23

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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.