Home / 64,423.46-88,878.12-43,209.56

Finding the Fourth Proportional to 64,423.46, 88,878.12 and 43,209.56

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Solution

The fourth proportional to 64,423.46, 88,878.12 and 43,209.56 is: 59,611.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,423.46 : 88,878.12 = 43,209.56 : x
  2. Step 2: Convert to fraction form
    64,423.46/88,878.12 = 43,209.56/x
  3. Step 3: Cross multiply
    64,423.46x = 88,878.12 × 43,209.56
  4. Step 4: Simplify right side
    64,423.46x = 3,840,384,014.44
  5. Step 5: Solve for x
    x = 3,840,384,014.44/64,423.46
  6. Step 6: Final answer
    x = 59,611.58

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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.