Home / 84,233.48-116,147.77-57,391.70

Finding the Fourth Proportional to 84,233.48, 116,147.77 and 57,391.70

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Solution

The fourth proportional to 84,233.48, 116,147.77 and 57,391.70 is: 79,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,233.48 : 116,147.77 = 57,391.70 : x
  2. Step 2: Convert to fraction form
    84,233.48/116,147.77 = 57,391.70/x
  3. Step 3: Cross multiply
    84,233.48x = 116,147.77 × 57,391.70
  4. Step 4: Simplify right side
    84,233.48x = 6,665,917,247.29
  5. Step 5: Solve for x
    x = 6,665,917,247.29/84,233.48
  6. Step 6: Final answer
    x = 79,136.20

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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.