Home / 87,883.41-121,278.50-47,596.25

Finding the Fourth Proportional to 87,883.41, 121,278.50 and 47,596.25

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Solution

The fourth proportional to 87,883.41, 121,278.50 and 47,596.25 is: 65,682.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,883.41 : 121,278.50 = 47,596.25 : x
  2. Step 2: Convert to fraction form
    87,883.41/121,278.50 = 47,596.25/x
  3. Step 3: Cross multiply
    87,883.41x = 121,278.50 × 47,596.25
  4. Step 4: Simplify right side
    87,883.41x = 5,772,401,805.63
  5. Step 5: Solve for x
    x = 5,772,401,805.63/87,883.41
  6. Step 6: Final answer
    x = 65,682.50

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1.5x scale

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.