Home / 83,702.16-125,550.61-20,522.46

Finding the Fourth Proportional to 83,702.16, 125,550.61 and 20,522.46

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Solution

The fourth proportional to 83,702.16, 125,550.61 and 20,522.46 is: 30,783.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,702.16 : 125,550.61 = 20,522.46 : x
  2. Step 2: Convert to fraction form
    83,702.16/125,550.61 = 20,522.46/x
  3. Step 3: Cross multiply
    83,702.16x = 125,550.61 × 20,522.46
  4. Step 4: Simplify right side
    83,702.16x = 2,576,607,791.21
  5. Step 5: Solve for x
    x = 2,576,607,791.21/83,702.16
  6. Step 6: Final answer
    x = 30,783.05

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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.