Home / 87,088.89-120,193.79-51,282.24

Finding the Fourth Proportional to 87,088.89, 120,193.79 and 51,282.24

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Solution

The fourth proportional to 87,088.89, 120,193.79 and 51,282.24 is: 70,776.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,088.89 : 120,193.79 = 51,282.24 : x
  2. Step 2: Convert to fraction form
    87,088.89/120,193.79 = 51,282.24/x
  3. Step 3: Cross multiply
    87,088.89x = 120,193.79 × 51,282.24
  4. Step 4: Simplify right side
    87,088.89x = 6,163,806,462.77
  5. Step 5: Solve for x
    x = 6,163,806,462.77/87,088.89
  6. Step 6: Final answer
    x = 70,776.03

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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.