Home / 87,200.94-120,341.28-51,392.46

Finding the Fourth Proportional to 87,200.94, 120,341.28 and 51,392.46

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Solution

The fourth proportional to 87,200.94, 120,341.28 and 51,392.46 is: 70,923.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,200.94 : 120,341.28 = 51,392.46 : x
  2. Step 2: Convert to fraction form
    87,200.94/120,341.28 = 51,392.46/x
  3. Step 3: Cross multiply
    87,200.94x = 120,341.28 × 51,392.46
  4. Step 4: Simplify right side
    87,200.94x = 6,184,634,418.75
  5. Step 5: Solve for x
    x = 6,184,634,418.75/87,200.94
  6. Step 6: Final answer
    x = 70,923.94

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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.