Home / 83,708.07-125,455.29-39,236.84

Finding the Fourth Proportional to 83,708.07, 125,455.29 and 39,236.84

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Solution

The fourth proportional to 83,708.07, 125,455.29 and 39,236.84 is: 58,805.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,708.07 : 125,455.29 = 39,236.84 : x
  2. Step 2: Convert to fraction form
    83,708.07/125,455.29 = 39,236.84/x
  3. Step 3: Cross multiply
    83,708.07x = 125,455.29 × 39,236.84
  4. Step 4: Simplify right side
    83,708.07x = 4,922,468,513.61
  5. Step 5: Solve for x
    x = 4,922,468,513.61/83,708.07
  6. Step 6: Final answer
    x = 58,805.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.