Home / 74,133.20-111,199.80-27,376.40

Finding the Fourth Proportional to 74,133.20, 111,199.80 and 27,376.40

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Solution

The fourth proportional to 74,133.20, 111,199.80 and 27,376.40 is: 41,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,133.20 : 111,199.80 = 27,376.40 : x
  2. Step 2: Convert to fraction form
    74,133.20/111,199.80 = 27,376.40/x
  3. Step 3: Cross multiply
    74,133.20x = 111,199.80 × 27,376.40
  4. Step 4: Simplify right side
    74,133.20x = 3,044,250,204.72
  5. Step 5: Solve for x
    x = 3,044,250,204.72/74,133.20
  6. Step 6: Final answer
    x = 41,064.60

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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.