Home / 87,124.06-120,212.87-56,953.59

Finding the Fourth Proportional to 87,124.06, 120,212.87 and 56,953.59

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Solution

The fourth proportional to 87,124.06, 120,212.87 and 56,953.59 is: 78,583.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,124.06 : 120,212.87 = 56,953.59 : x
  2. Step 2: Convert to fraction form
    87,124.06/120,212.87 = 56,953.59/x
  3. Step 3: Cross multiply
    87,124.06x = 120,212.87 × 56,953.59
  4. Step 4: Simplify right side
    87,124.06x = 6,846,554,510.70
  5. Step 5: Solve for x
    x = 6,846,554,510.70/87,124.06
  6. Step 6: Final answer
    x = 78,583.97

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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.