Home / 85,223.28-127,830.36-32,628.72

Finding the Fourth Proportional to 85,223.28, 127,830.36 and 32,628.72

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Solution

The fourth proportional to 85,223.28, 127,830.36 and 32,628.72 is: 48,941.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,223.28 : 127,830.36 = 32,628.72 : x
  2. Step 2: Convert to fraction form
    85,223.28/127,830.36 = 32,628.72/x
  3. Step 3: Cross multiply
    85,223.28x = 127,830.36 × 32,628.72
  4. Step 4: Simplify right side
    85,223.28x = 4,170,941,023.94
  5. Step 5: Solve for x
    x = 4,170,941,023.94/85,223.28
  6. Step 6: Final answer
    x = 48,941.33

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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.