Home / 87,544.19-120,808.36-63,771.50

Finding the Fourth Proportional to 87,544.19, 120,808.36 and 63,771.50

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Solution

The fourth proportional to 87,544.19, 120,808.36 and 63,771.50 is: 88,002.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,544.19 : 120,808.36 = 63,771.50 : x
  2. Step 2: Convert to fraction form
    87,544.19/120,808.36 = 63,771.50/x
  3. Step 3: Cross multiply
    87,544.19x = 120,808.36 × 63,771.50
  4. Step 4: Simplify right side
    87,544.19x = 7,704,130,711.48
  5. Step 5: Solve for x
    x = 7,704,130,711.48/87,544.19
  6. Step 6: Final answer
    x = 88,002.76

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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.