Home / 87,827.46-121,188.84-53,354.27

Finding the Fourth Proportional to 87,827.46, 121,188.84 and 53,354.27

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Solution

The fourth proportional to 87,827.46, 121,188.84 and 53,354.27 is: 73,620.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,827.46 : 121,188.84 = 53,354.27 : x
  2. Step 2: Convert to fraction form
    87,827.46/121,188.84 = 53,354.27/x
  3. Step 3: Cross multiply
    87,827.46x = 121,188.84 × 53,354.27
  4. Step 4: Simplify right side
    87,827.46x = 6,465,941,484.40
  5. Step 5: Solve for x
    x = 6,465,941,484.40/87,827.46
  6. Step 6: Final answer
    x = 73,620.96

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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.