Home / 88,612.43-122,216.04-56,784.29

Finding the Fourth Proportional to 88,612.43, 122,216.04 and 56,784.29

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Solution

The fourth proportional to 88,612.43, 122,216.04 and 56,784.29 is: 78,318.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,612.43 : 122,216.04 = 56,784.29 : x
  2. Step 2: Convert to fraction form
    88,612.43/122,216.04 = 56,784.29/x
  3. Step 3: Cross multiply
    88,612.43x = 122,216.04 × 56,784.29
  4. Step 4: Simplify right side
    88,612.43x = 6,939,951,058.01
  5. Step 5: Solve for x
    x = 6,939,951,058.01/88,612.43
  6. Step 6: Final answer
    x = 78,318.03

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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.