Home / 85,282.20-127,923.30-40,886.10

Finding the Fourth Proportional to 85,282.20, 127,923.30 and 40,886.10

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Solution

The fourth proportional to 85,282.20, 127,923.30 and 40,886.10 is: 61,329.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,282.20 : 127,923.30 = 40,886.10 : x
  2. Step 2: Convert to fraction form
    85,282.20/127,923.30 = 40,886.10/x
  3. Step 3: Cross multiply
    85,282.20x = 127,923.30 × 40,886.10
  4. Step 4: Simplify right side
    85,282.20x = 5,230,284,836.13
  5. Step 5: Solve for x
    x = 5,230,284,836.13/85,282.20
  6. Step 6: Final answer
    x = 61,329.15

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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.