Home / 85,011.75-127,520.33-25,847.93

Finding the Fourth Proportional to 85,011.75, 127,520.33 and 25,847.93

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Solution

The fourth proportional to 85,011.75, 127,520.33 and 25,847.93 is: 38,772.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,011.75 : 127,520.33 = 25,847.93 : x
  2. Step 2: Convert to fraction form
    85,011.75/127,520.33 = 25,847.93/x
  3. Step 3: Cross multiply
    85,011.75x = 127,520.33 × 25,847.93
  4. Step 4: Simplify right side
    85,011.75x = 3,296,136,752.98
  5. Step 5: Solve for x
    x = 3,296,136,752.98/85,011.75
  6. Step 6: Final answer
    x = 38,772.72

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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.