Home / 83,836.14-125,752.98-20,656.98

Finding the Fourth Proportional to 83,836.14, 125,752.98 and 20,656.98

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Solution

The fourth proportional to 83,836.14, 125,752.98 and 20,656.98 is: 30,985.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,836.14 : 125,752.98 = 20,656.98 : x
  2. Step 2: Convert to fraction form
    83,836.14/125,752.98 = 20,656.98/x
  3. Step 3: Cross multiply
    83,836.14x = 125,752.98 × 20,656.98
  4. Step 4: Simplify right side
    83,836.14x = 2,597,676,792.80
  5. Step 5: Solve for x
    x = 2,597,676,792.80/83,836.14
  6. Step 6: Final answer
    x = 30,985.17

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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.