Home / 85,419.26-117,686.76-59,553.80

Finding the Fourth Proportional to 85,419.26, 117,686.76 and 59,553.80

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Solution

The fourth proportional to 85,419.26, 117,686.76 and 59,553.80 is: 82,050.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,419.26 : 117,686.76 = 59,553.80 : x
  2. Step 2: Convert to fraction form
    85,419.26/117,686.76 = 59,553.80/x
  3. Step 3: Cross multiply
    85,419.26x = 117,686.76 × 59,553.80
  4. Step 4: Simplify right side
    85,419.26x = 7,008,693,767.69
  5. Step 5: Solve for x
    x = 7,008,693,767.69/85,419.26
  6. Step 6: Final answer
    x = 82,050.51

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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.