Home / 74,009.40-111,014.10-44,071.80

Finding the Fourth Proportional to 74,009.40, 111,014.10 and 44,071.80

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Solution

The fourth proportional to 74,009.40, 111,014.10 and 44,071.80 is: 66,107.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,009.40 : 111,014.10 = 44,071.80 : x
  2. Step 2: Convert to fraction form
    74,009.40/111,014.10 = 44,071.80/x
  3. Step 3: Cross multiply
    74,009.40x = 111,014.10 × 44,071.80
  4. Step 4: Simplify right side
    74,009.40x = 4,892,591,212.38
  5. Step 5: Solve for x
    x = 4,892,591,212.38/74,009.40
  6. Step 6: Final answer
    x = 66,107.70

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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.