Home / 52,202.21-72,038.39-28,328.72

Finding the Fourth Proportional to 52,202.21, 72,038.39 and 28,328.72

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Solution

The fourth proportional to 52,202.21, 72,038.39 and 28,328.72 is: 39,093.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,202.21 : 72,038.39 = 28,328.72 : x
  2. Step 2: Convert to fraction form
    52,202.21/72,038.39 = 28,328.72/x
  3. Step 3: Cross multiply
    52,202.21x = 72,038.39 × 28,328.72
  4. Step 4: Simplify right side
    52,202.21x = 2,040,754,877.73
  5. Step 5: Solve for x
    x = 2,040,754,877.73/52,202.21
  6. Step 6: Final answer
    x = 39,093.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.