Home / 74,164.20-111,246.30-27,407.40

Finding the Fourth Proportional to 74,164.20, 111,246.30 and 27,407.40

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Solution

The fourth proportional to 74,164.20, 111,246.30 and 27,407.40 is: 41,111.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,164.20 : 111,246.30 = 27,407.40 : x
  2. Step 2: Convert to fraction form
    74,164.20/111,246.30 = 27,407.40/x
  3. Step 3: Cross multiply
    74,164.20x = 111,246.30 × 27,407.40
  4. Step 4: Simplify right side
    74,164.20x = 3,048,971,842.62
  5. Step 5: Solve for x
    x = 3,048,971,842.62/74,164.20
  6. Step 6: Final answer
    x = 41,111.10

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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.