Home / 55,087.68-82,630.80-13,535.04

Finding the Fourth Proportional to 55,087.68, 82,630.80 and 13,535.04

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Solution

The fourth proportional to 55,087.68, 82,630.80 and 13,535.04 is: 20,302.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,087.68 : 82,630.80 = 13,535.04 : x
  2. Step 2: Convert to fraction form
    55,087.68/82,630.80 = 13,535.04/x
  3. Step 3: Cross multiply
    55,087.68x = 82,630.80 × 13,535.04
  4. Step 4: Simplify right side
    55,087.68x = 1,118,411,183.23
  5. Step 5: Solve for x
    x = 1,118,411,183.23/55,087.68
  6. Step 6: Final answer
    x = 20,302.38

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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.