Home / 74,130.20-111,209.70-32,010.20

Finding the Fourth Proportional to 74,130.20, 111,209.70 and 32,010.20

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Solution

The fourth proportional to 74,130.20, 111,209.70 and 32,010.20 is: 48,021.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,130.20 : 111,209.70 = 32,010.20 : x
  2. Step 2: Convert to fraction form
    74,130.20/111,209.70 = 32,010.20/x
  3. Step 3: Cross multiply
    74,130.20x = 111,209.70 × 32,010.20
  4. Step 4: Simplify right side
    74,130.20x = 3,559,844,738.94
  5. Step 5: Solve for x
    x = 3,559,844,738.94/74,130.20
  6. Step 6: Final answer
    x = 48,021.52

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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.