Home / 74,372.28-111,602.73-26,991.06

Finding the Fourth Proportional to 74,372.28, 111,602.73 and 26,991.06

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Solution

The fourth proportional to 74,372.28, 111,602.73 and 26,991.06 is: 40,502.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,372.28 : 111,602.73 = 26,991.06 : x
  2. Step 2: Convert to fraction form
    74,372.28/111,602.73 = 26,991.06/x
  3. Step 3: Cross multiply
    74,372.28x = 111,602.73 × 26,991.06
  4. Step 4: Simplify right side
    74,372.28x = 3,012,275,981.59
  5. Step 5: Solve for x
    x = 3,012,275,981.59/74,372.28
  6. Step 6: Final answer
    x = 40,502.67

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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.