Home / 84,986.37-127,520.55-59,972.55

Finding the Fourth Proportional to 84,986.37, 127,520.55 and 59,972.55

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Solution

The fourth proportional to 84,986.37, 127,520.55 and 59,972.55 is: 89,987.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,986.37 : 127,520.55 = 59,972.55 : x
  2. Step 2: Convert to fraction form
    84,986.37/127,520.55 = 59,972.55/x
  3. Step 3: Cross multiply
    84,986.37x = 127,520.55 × 59,972.55
  4. Step 4: Simplify right side
    84,986.37x = 7,647,732,560.90
  5. Step 5: Solve for x
    x = 7,647,732,560.90/84,986.37
  6. Step 6: Final answer
    x = 89,987.76

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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.