Home / 74,017.59-111,033.43-20,709.60

Finding the Fourth Proportional to 74,017.59, 111,033.43 and 20,709.60

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Solution

The fourth proportional to 74,017.59, 111,033.43 and 20,709.60 is: 31,066.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,017.59 : 111,033.43 = 20,709.60 : x
  2. Step 2: Convert to fraction form
    74,017.59/111,033.43 = 20,709.60/x
  3. Step 3: Cross multiply
    74,017.59x = 111,033.43 × 20,709.60
  4. Step 4: Simplify right side
    74,017.59x = 2,299,457,921.93
  5. Step 5: Solve for x
    x = 2,299,457,921.93/74,017.59
  6. Step 6: Final answer
    x = 31,066.37

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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.