Home / 85,228.28-127,860.88-32,637.77

Finding the Fourth Proportional to 85,228.28, 127,860.88 and 32,637.77

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Solution

The fourth proportional to 85,228.28, 127,860.88 and 32,637.77 is: 48,963.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,228.28 : 127,860.88 = 32,637.77 : x
  2. Step 2: Convert to fraction form
    85,228.28/127,860.88 = 32,637.77/x
  3. Step 3: Cross multiply
    85,228.28x = 127,860.88 × 32,637.77
  4. Step 4: Simplify right side
    85,228.28x = 4,173,093,993.44
  5. Step 5: Solve for x
    x = 4,173,093,993.44/85,228.28
  6. Step 6: Final answer
    x = 48,963.72

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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.