Home / 56,567.68-78,081.70-40,698.26

Finding the Fourth Proportional to 56,567.68, 78,081.70 and 40,698.26

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Solution

The fourth proportional to 56,567.68, 78,081.70 and 40,698.26 is: 56,176.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,567.68 : 78,081.70 = 40,698.26 : x
  2. Step 2: Convert to fraction form
    56,567.68/78,081.70 = 40,698.26/x
  3. Step 3: Cross multiply
    56,567.68x = 78,081.70 × 40,698.26
  4. Step 4: Simplify right side
    56,567.68x = 3,177,789,327.84
  5. Step 5: Solve for x
    x = 3,177,789,327.84/56,567.68
  6. Step 6: Final answer
    x = 56,176.77

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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.