Home / 55,024.80-82,537.20-52,490.40

Finding the Fourth Proportional to 55,024.80, 82,537.20 and 52,490.40

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Solution

The fourth proportional to 55,024.80, 82,537.20 and 52,490.40 is: 78,735.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,024.80 : 82,537.20 = 52,490.40 : x
  2. Step 2: Convert to fraction form
    55,024.80/82,537.20 = 52,490.40/x
  3. Step 3: Cross multiply
    55,024.80x = 82,537.20 × 52,490.40
  4. Step 4: Simplify right side
    55,024.80x = 4,332,410,642.88
  5. Step 5: Solve for x
    x = 4,332,410,642.88/55,024.80
  6. Step 6: Final answer
    x = 78,735.60

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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.