Home / 74,066.40-111,099.60-37,121.76

Finding the Fourth Proportional to 74,066.40, 111,099.60 and 37,121.76

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Solution

The fourth proportional to 74,066.40, 111,099.60 and 37,121.76 is: 55,682.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,066.40 : 111,099.60 = 37,121.76 : x
  2. Step 2: Convert to fraction form
    74,066.40/111,099.60 = 37,121.76/x
  3. Step 3: Cross multiply
    74,066.40x = 111,099.60 × 37,121.76
  4. Step 4: Simplify right side
    74,066.40x = 4,124,212,687.30
  5. Step 5: Solve for x
    x = 4,124,212,687.30/74,066.40
  6. Step 6: Final answer
    x = 55,682.64

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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.