Home / 84,618.27-116,636.18-57,385.35

Finding the Fourth Proportional to 84,618.27, 116,636.18 and 57,385.35

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Solution

The fourth proportional to 84,618.27, 116,636.18 and 57,385.35 is: 79,098.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,618.27 : 116,636.18 = 57,385.35 : x
  2. Step 2: Convert to fraction form
    84,618.27/116,636.18 = 57,385.35/x
  3. Step 3: Cross multiply
    84,618.27x = 116,636.18 × 57,385.35
  4. Step 4: Simplify right side
    84,618.27x = 6,693,207,725.04
  5. Step 5: Solve for x
    x = 6,693,207,725.04/84,618.27
  6. Step 6: Final answer
    x = 79,098.85

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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.