Home / 52,230.12-72,078.78-31,009.44

Finding the Fourth Proportional to 52,230.12, 72,078.78 and 31,009.44

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Solution

The fourth proportional to 52,230.12, 72,078.78 and 31,009.44 is: 42,793.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,230.12 : 72,078.78 = 31,009.44 : x
  2. Step 2: Convert to fraction form
    52,230.12/72,078.78 = 31,009.44/x
  3. Step 3: Cross multiply
    52,230.12x = 72,078.78 × 31,009.44
  4. Step 4: Simplify right side
    52,230.12x = 2,235,122,603.68
  5. Step 5: Solve for x
    x = 2,235,122,603.68/52,230.12
  6. Step 6: Final answer
    x = 42,793.75

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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.