Home / 101,942.64-140,675.98-56,623.52

Finding the Fourth Proportional to 101,942.64, 140,675.98 and 56,623.52

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Solution

The fourth proportional to 101,942.64, 140,675.98 and 56,623.52 is: 78,137.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,942.64 : 140,675.98 = 56,623.52 : x
  2. Step 2: Convert to fraction form
    101,942.64/140,675.98 = 56,623.52/x
  3. Step 3: Cross multiply
    101,942.64x = 140,675.98 × 56,623.52
  4. Step 4: Simplify right side
    101,942.64x = 7,965,569,167.05
  5. Step 5: Solve for x
    x = 7,965,569,167.05/101,942.64
  6. Step 6: Final answer
    x = 78,137.76

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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.