Home / 87,572.40-120,827.66-53,568.46

Finding the Fourth Proportional to 87,572.40, 120,827.66 and 53,568.46

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Solution

The fourth proportional to 87,572.40, 120,827.66 and 53,568.46 is: 73,910.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,572.40 : 120,827.66 = 53,568.46 : x
  2. Step 2: Convert to fraction form
    87,572.40/120,827.66 = 53,568.46/x
  3. Step 3: Cross multiply
    87,572.40x = 120,827.66 × 53,568.46
  4. Step 4: Simplify right side
    87,572.40x = 6,472,551,671.60
  5. Step 5: Solve for x
    x = 6,472,551,671.60/87,572.40
  6. Step 6: Final answer
    x = 73,910.86

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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.