Home / 87,477.56-120,706.96-49,239.08

Finding the Fourth Proportional to 87,477.56, 120,706.96 and 49,239.08

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Solution

The fourth proportional to 87,477.56, 120,706.96 and 49,239.08 is: 67,943.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,477.56 : 120,706.96 = 49,239.08 : x
  2. Step 2: Convert to fraction form
    87,477.56/120,706.96 = 49,239.08/x
  3. Step 3: Cross multiply
    87,477.56x = 120,706.96 × 49,239.08
  4. Step 4: Simplify right side
    87,477.56x = 5,943,499,660.00
  5. Step 5: Solve for x
    x = 5,943,499,660.00/87,477.56
  6. Step 6: Final answer
    x = 67,943.13

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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.