Home / 84,265.85-116,021.57-71,492.56

Finding the Fourth Proportional to 84,265.85, 116,021.57 and 71,492.56

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Solution

The fourth proportional to 84,265.85, 116,021.57 and 71,492.56 is: 98,434.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,265.85 : 116,021.57 = 71,492.56 : x
  2. Step 2: Convert to fraction form
    84,265.85/116,021.57 = 71,492.56/x
  3. Step 3: Cross multiply
    84,265.85x = 116,021.57 × 71,492.56
  4. Step 4: Simplify right side
    84,265.85x = 8,294,678,407.00
  5. Step 5: Solve for x
    x = 8,294,678,407.00/84,265.85
  6. Step 6: Final answer
    x = 98,434.63

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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.