Home / 56,893.19-78,487.18-34,218.86

Finding the Fourth Proportional to 56,893.19, 78,487.18 and 34,218.86

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Solution

The fourth proportional to 56,893.19, 78,487.18 and 34,218.86 is: 47,206.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,893.19 : 78,487.18 = 34,218.86 : x
  2. Step 2: Convert to fraction form
    56,893.19/78,487.18 = 34,218.86/x
  3. Step 3: Cross multiply
    56,893.19x = 78,487.18 × 34,218.86
  4. Step 4: Simplify right side
    56,893.19x = 2,685,741,346.23
  5. Step 5: Solve for x
    x = 2,685,741,346.23/56,893.19
  6. Step 6: Final answer
    x = 47,206.73

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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.