Home / 87,240.88-120,271.48-58,901.68

Finding the Fourth Proportional to 87,240.88, 120,271.48 and 58,901.68

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Solution

The fourth proportional to 87,240.88, 120,271.48 and 58,901.68 is: 81,202.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,240.88 : 120,271.48 = 58,901.68 : x
  2. Step 2: Convert to fraction form
    87,240.88/120,271.48 = 58,901.68/x
  3. Step 3: Cross multiply
    87,240.88x = 120,271.48 × 58,901.68
  4. Step 4: Simplify right side
    87,240.88x = 7,084,192,228.09
  5. Step 5: Solve for x
    x = 7,084,192,228.09/87,240.88
  6. Step 6: Final answer
    x = 81,202.67

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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.