Home / 84,089.16-116,543.95-82,514.52

Finding the Fourth Proportional to 84,089.16, 116,543.95 and 82,514.52

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Solution

The fourth proportional to 84,089.16, 116,543.95 and 82,514.52 is: 114,361.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,089.16 : 116,543.95 = 82,514.52 : x
  2. Step 2: Convert to fraction form
    84,089.16/116,543.95 = 82,514.52/x
  3. Step 3: Cross multiply
    84,089.16x = 116,543.95 × 82,514.52
  4. Step 4: Simplify right side
    84,089.16x = 9,616,568,093.15
  5. Step 5: Solve for x
    x = 9,616,568,093.15/84,089.16
  6. Step 6: Final answer
    x = 114,361.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.