Home / 57,053.85-78,707.81-36,917.23

Finding the Fourth Proportional to 57,053.85, 78,707.81 and 36,917.23

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Solution

The fourth proportional to 57,053.85, 78,707.81 and 36,917.23 is: 50,928.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,053.85 : 78,707.81 = 36,917.23 : x
  2. Step 2: Convert to fraction form
    57,053.85/78,707.81 = 36,917.23/x
  3. Step 3: Cross multiply
    57,053.85x = 78,707.81 × 36,917.23
  4. Step 4: Simplify right side
    57,053.85x = 2,905,674,160.01
  5. Step 5: Solve for x
    x = 2,905,674,160.01/57,053.85
  6. Step 6: Final answer
    x = 50,928.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.