Home / 80,646.28-111,283.38-44,830.54

Finding the Fourth Proportional to 80,646.28, 111,283.38 and 44,830.54

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Solution

The fourth proportional to 80,646.28, 111,283.38 and 44,830.54 is: 61,861.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,646.28 : 111,283.38 = 44,830.54 : x
  2. Step 2: Convert to fraction form
    80,646.28/111,283.38 = 44,830.54/x
  3. Step 3: Cross multiply
    80,646.28x = 111,283.38 × 44,830.54
  4. Step 4: Simplify right side
    80,646.28x = 4,988,894,018.43
  5. Step 5: Solve for x
    x = 4,988,894,018.43/80,646.28
  6. Step 6: Final answer
    x = 61,861.43

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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.