Home / 84,965.55-127,440.04-25,801.73

Finding the Fourth Proportional to 84,965.55, 127,440.04 and 25,801.73

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Solution

The fourth proportional to 84,965.55, 127,440.04 and 25,801.73 is: 38,700.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,965.55 : 127,440.04 = 25,801.73 : x
  2. Step 2: Convert to fraction form
    84,965.55/127,440.04 = 25,801.73/x
  3. Step 3: Cross multiply
    84,965.55x = 127,440.04 × 25,801.73
  4. Step 4: Simplify right side
    84,965.55x = 3,288,173,503.27
  5. Step 5: Solve for x
    x = 3,288,173,503.27/84,965.55
  6. Step 6: Final answer
    x = 38,700.08

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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.