Home / 67,734.32-93,415.44-40,871.12

Finding the Fourth Proportional to 67,734.32, 93,415.44 and 40,871.12

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Solution

The fourth proportional to 67,734.32, 93,415.44 and 40,871.12 is: 56,367.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,734.32 : 93,415.44 = 40,871.12 : x
  2. Step 2: Convert to fraction form
    67,734.32/93,415.44 = 40,871.12/x
  3. Step 3: Cross multiply
    67,734.32x = 93,415.44 × 40,871.12
  4. Step 4: Simplify right side
    67,734.32x = 3,817,993,658.09
  5. Step 5: Solve for x
    x = 3,817,993,658.09/67,734.32
  6. Step 6: Final answer
    x = 56,367.20

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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.