Home / 74,021.40-111,032.10-50,401.80

Finding the Fourth Proportional to 74,021.40, 111,032.10 and 50,401.80

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Solution

The fourth proportional to 74,021.40, 111,032.10 and 50,401.80 is: 75,602.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,021.40 : 111,032.10 = 50,401.80 : x
  2. Step 2: Convert to fraction form
    74,021.40/111,032.10 = 50,401.80/x
  3. Step 3: Cross multiply
    74,021.40x = 111,032.10 × 50,401.80
  4. Step 4: Simplify right side
    74,021.40x = 5,596,217,697.78
  5. Step 5: Solve for x
    x = 5,596,217,697.78/74,021.40
  6. Step 6: Final answer
    x = 75,602.70

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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.