Home / 83,911.68-115,834.40-59,996.80

Finding the Fourth Proportional to 83,911.68, 115,834.40 and 59,996.80

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Solution

The fourth proportional to 83,911.68, 115,834.40 and 59,996.80 is: 82,821.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,911.68 : 115,834.40 = 59,996.80 : x
  2. Step 2: Convert to fraction form
    83,911.68/115,834.40 = 59,996.80/x
  3. Step 3: Cross multiply
    83,911.68x = 115,834.40 × 59,996.80
  4. Step 4: Simplify right side
    83,911.68x = 6,949,693,329.92
  5. Step 5: Solve for x
    x = 6,949,693,329.92/83,911.68
  6. Step 6: Final answer
    x = 82,821.53

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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.