Home / 83,702.06-125,553.32-20,522.46

Finding the Fourth Proportional to 83,702.06, 125,553.32 and 20,522.46

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Solution

The fourth proportional to 83,702.06, 125,553.32 and 20,522.46 is: 30,783.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,702.06 : 125,553.32 = 20,522.46 : x
  2. Step 2: Convert to fraction form
    83,702.06/125,553.32 = 20,522.46/x
  3. Step 3: Cross multiply
    83,702.06x = 125,553.32 × 20,522.46
  4. Step 4: Simplify right side
    83,702.06x = 2,576,662,987.57
  5. Step 5: Solve for x
    x = 2,576,662,987.57/83,702.06
  6. Step 6: Final answer
    x = 30,783.75

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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.