Home / 56,918.92-78,532.38-36,776.68

Finding the Fourth Proportional to 56,918.92, 78,532.38 and 36,776.68

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Solution

The fourth proportional to 56,918.92, 78,532.38 and 36,776.68 is: 50,741.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,918.92 : 78,532.38 = 36,776.68 : x
  2. Step 2: Convert to fraction form
    56,918.92/78,532.38 = 36,776.68/x
  3. Step 3: Cross multiply
    56,918.92x = 78,532.38 × 36,776.68
  4. Step 4: Simplify right side
    56,918.92x = 2,888,160,208.90
  5. Step 5: Solve for x
    x = 2,888,160,208.90/56,918.92
  6. Step 6: Final answer
    x = 50,741.66

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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.