Home / 87,523.56-120,659.76-61,953.84

Finding the Fourth Proportional to 87,523.56, 120,659.76 and 61,953.84

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Solution

The fourth proportional to 87,523.56, 120,659.76 and 61,953.84 is: 85,409.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,523.56 : 120,659.76 = 61,953.84 : x
  2. Step 2: Convert to fraction form
    87,523.56/120,659.76 = 61,953.84/x
  3. Step 3: Cross multiply
    87,523.56x = 120,659.76 × 61,953.84
  4. Step 4: Simplify right side
    87,523.56x = 7,475,335,465.48
  5. Step 5: Solve for x
    x = 7,475,335,465.48/87,523.56
  6. Step 6: Final answer
    x = 85,409.41

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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.