Home / 67,021.61-92,525.72-51,674.63

Finding the Fourth Proportional to 67,021.61, 92,525.72 and 51,674.63

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Solution

The fourth proportional to 67,021.61, 92,525.72 and 51,674.63 is: 71,338.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,021.61 : 92,525.72 = 51,674.63 : x
  2. Step 2: Convert to fraction form
    67,021.61/92,525.72 = 51,674.63/x
  3. Step 3: Cross multiply
    67,021.61x = 92,525.72 × 51,674.63
  4. Step 4: Simplify right side
    67,021.61x = 4,781,232,706.98
  5. Step 5: Solve for x
    x = 4,781,232,706.98/67,021.61
  6. Step 6: Final answer
    x = 71,338.68

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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.