Home / 87,193.98-120,098.52-67,012.25

Finding the Fourth Proportional to 87,193.98, 120,098.52 and 67,012.25

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Solution

The fourth proportional to 87,193.98, 120,098.52 and 67,012.25 is: 92,300.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,193.98 : 120,098.52 = 67,012.25 : x
  2. Step 2: Convert to fraction form
    87,193.98/120,098.52 = 67,012.25/x
  3. Step 3: Cross multiply
    87,193.98x = 120,098.52 × 67,012.25
  4. Step 4: Simplify right side
    87,193.98x = 8,048,071,446.38
  5. Step 5: Solve for x
    x = 8,048,071,446.38/87,193.98
  6. Step 6: Final answer
    x = 92,300.77

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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.