Home / 56,976.96-78,627.68-34,328.64

Finding the Fourth Proportional to 56,976.96, 78,627.68 and 34,328.64

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Solution

The fourth proportional to 56,976.96, 78,627.68 and 34,328.64 is: 47,373.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,976.96 : 78,627.68 = 34,328.64 : x
  2. Step 2: Convert to fraction form
    56,976.96/78,627.68 = 34,328.64/x
  3. Step 3: Cross multiply
    56,976.96x = 78,627.68 × 34,328.64
  4. Step 4: Simplify right side
    56,976.96x = 2,699,181,320.76
  5. Step 5: Solve for x
    x = 2,699,181,320.76/56,976.96
  6. Step 6: Final answer
    x = 47,373.21

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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.